Bài Tập Unit 7

UNIT 7: SAVING ENERGY
I / Choose A, B, C or D to complete the following sentences
1. Can you turn ____ the light? It’s too dark.
A. on B. off C. in D. for
2. What are you looking _____? My picture book. I’ve lost it.
A. on B. off C. in D. for
3. There are ____ saving methods and inventions to use solar energy.
A. energetic B. energize C. energy D. energertics
4. I had to pay much money this month for the international _____.
A. calls B. calling C. to call D. called
5. A new air-conditioner will be ____ this morning.
A. to install B. installed C. installing D. install
6. Scientists are looking for an ____ way to reduce energy consumption.
A. effect B. effection C. effective D. effectively
7. We can ____ easily in the daylight.
A. to read B. reading C. readed D. read
8. She won’t take these suitcases ____ she likes to travel light.
A. so B. but C. because D. therefore
9. They are completely short of water now. A number of people have died because of this ____
A. shortage B. short C. shorten D. shortly
10. What can we do to spend less ____ lighting?
A. in B. on C. about D. of
II / Complete each sentence with a word from the list
1. person who puts in and repairs water pipe, bath sinks. _______
2. the air, water and land in which we live. _______
3. to make something less. _______
4. very large, very great. _______
5. the air surrounding the Earth. _______
6. person who buy things or uses services . _______
7. wealth, goods or products people can use. _______
8. great comfort and pleasure. _______
9. needs. _______
III / Complete each sentence by using the correct phrasal verbs in the box. Put the verbs into the correct tense form
1. Every Vietnamese _____________ to President Ho Chi Minh.
2. He ____________ difficulties to reach the discuss.
3. She finds someone to ____________ the dog and plants because she is going on holiday next week.
4. My father ____________ me ____________ at the station last night.
5. Hanoi was ____________ in 1954.
6. Remember to ____________ the lights before going out.
7. He was ____________ by the police.
8. I was very nervous as the plane ____________.
9. I am ____________ to hearing from you.
10. He has ____ the business ____ to his friend
IV / Supply the correct form of the words in parentheses
1. There is a ____________ faucet in your kitchen (drip)
2. We can protect the environment by ____________ air pollution (reduction)
3. I’m very ____________ because they use electricity to catch fish (worry)
4. I want to see the ____________ of environment from the local authority (protect)
5. She was ____________ pleased that she passed the exam (extreme)
6. The old man walked ____________ to the park (slow)
7. Don’t forget to drive ____________ (care)
8. That’s ____________! I’m pleased that you work very hard (wonder)
9. He is one of the most famous ____________ in the world (environment)
10. If we go on littering, the environment will become _____________ polluted (serious)
V / Choose A, B, C or D to complete the following sentences
1. She is very tired; ____ she has to finish her homework
A. moreover B. so C. and D. however
2. Is he an actor ____ a singer? An actor
A. and B. or C. with D. so
3. He was tired, ____ he took a rest before continuing the work
A. so B. and C. but D. if
4. She forgot ____ off the gas before going out
A. turn B. turning C. to turn D. turned
5. I suggest ____ money for the poor people in our neighborhood
A. save B. saving C. to save D. saved
6. Who looks ____ your children when you are away from home
A. for B. at C. after D. to
7. Why doesn’t she go ____ with her university study?
A. in B. at C. to D. on
8. After coming home, she cleaned the floor ____ cooked dinner
A. but B. however C. moreover D. and
9. They didn’t understand the matter; ____ they didn’t ask for help
A. but B. however C. moreover D. and
10. He got wet ____ he forgot his umbrella
A. because of B. because C. but D. and
VI / Complete the sentences using “AND / BUT / SO / OR / BECAUSE”
1. I like Mary very much ____________ I don’t like her brother
2. I’d like to live somewhere by the Mediterranean ____________ I love the Sun
3. We enjoy learning English ____________ we find it very difficult
4. I can’t go out tonight ____________ I am short of money
5. She went to the theater last night ____________ had a wonderful time
6. They can’t walk home ____________ it is very dark
7. Would you like to drink milk ____________ coffee?
8. It’s raining heavily, ____________ I can’t go out
9. He did the test well ____________ I did, too
10. His life was hard ____________ he studied very well
VII / How do you suggest these people
1. He uses plastic bag to wrap food
→ I suggest …………………………………………………………………………………
2. She always turns on the lights when going to bed
→ I suggest …………………………………………………………………………………
3. His motorcycle uses too much gas
→ I suggest …………………………………………………………………………………
4. They use electricity to catch fish
→ I suggest …………………………………………………………………………………
5. There are many cracks in your pipes
→ I suggest …………………………………………………………………………………
6. I don’t watch TV for recreation
→ I suggest …………………………………………………………………………………
7. They use many ordinary 100 watt light bulbs
→ I suggest …………………………………………………………………………………
8. He is having a toothache
→ I suggest …………………………………………………………………………………
9. He wants to go to Australia for studying
→ I suggest …………………………………………………………………………………
10. They use too much coal, gas and oil
→ I suggest …………………………………………………………………………………
VIII / Write the expressions from the list in the correct places in the dialogue
a. Take showers instead of faucets
b. To save electricity
c. By taking showers instead of faucets
d. That’s a good idea
e. Because it is important in everyone’s life
f. The roof of the house
A: Why should we save energy?
B: (1) ……………………………………………………………………………………
A: How about going to the movies tonight?
B: (2) ………………………..…………………………………………………………
A: What should we do to save water?
B: (3) ………………………..…………………………………………………………
A: When can solar panels be placed?
B: (4) ……………………….…………………………………………………………
A: What’s the purpose of using energy-saving bulbs?
B: (5) ……………………….…………………………………………………………
A: How can we save water?
B: (6) …………………………………………………………………………………
IX / Make a speech
1. How to save energy in your house
- Using energy saving bulbs
- Turning off the unwanted lights
- Preparing food before turning on the stove
- Using solar energy


2. How to reduce air pollution
- Using public buses or bicycles
- Not leaving of garbage
- Putting different kinds of waste in different places
- Keeping personal hygiene and public health
- Using solar energy instead of coal, gas, and oil

X / Fill the gap with a suitable word
In Western (1) _________ electricity, gas and water are not luxuries but (2) _________. Companies now realize that (3) _________ want products that will not only work effectively, but also save money
For most North American households, (4) _________ accounts for 10 percent of the electricity bill. However, this amount can be reduced (5) _________ replacing an ordinary 100 watt light bulb (6) ________ an energy saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore consumers can save about US$7 to US$21 per bulb
In Europe, there is a label (7) _________ for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumer how energy efficient each model is, compared (8) _________ other appliances in the same category.
Ultimately, these innovations will (9) _________ money as well as conserving the Earth’s (10) _________
XI / Choose A, B, C, or D to complete the passage
In humankind’s millions (1) _________ years (2) _________ Earth, many types (3) _________ energy resources have been utilized. However, (4) _________ the last ninety years, petroleum has become (5) _________ far the most important. Accounting (6) _________ over 50 percent of all energy consumed, it is so essential that, without petroleum, we could be faced (7) _________ economic disaster. Of course, the earth’s supply (8) _________ petroleum will not last forever, and (9) ____ fact, it will disappear sooner than most people believe. (10) _________ the current rate of consumption, t_____he world’s proven oil reserves may be exhausted within forty or fifty years
1. A. to B. of C. in D. for
2. A. on B. in C. with D. of
3. A. of B. since C. for D. to
4. A. for B. of C. at D. in
5. A. in B. between C. by D. for
6. A. at B. for C. during D. in
7. A. on B. of C. with D. at
8. A. with B. to C. since D. of
9. A. on B. in C. for D. at
10. A. At B. For C. To D. With
XII / Fill in the blanks with proper words, then answer the following questions
Are you looking for a cheap, clean (1) ____ source of power that doesn’t cause (2) ____ or waste natural resources? Look no further than solar (3) ____ from our Sun
At present, most of our (4) ____ come from the use of coal and gas, oil or (5) ____ power. This power could be provided by the Sun. One percent of the solar energy that reaches the Earth is enough to provide (6) ____ for the total population
Many countries are already using solar energy. Solar (7) ____ are placed on the roof of a house and the Sun’s energy is used to (8) ____ water. The energy can be (9) ____ for a number of days, so on cloudy days you can use solar energy, too
Sweden has an (10) ____ solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015
* Questions
1. Is the solar energy an efficient source of power?
…………………………………………………………………………………………………
2. Where are the solar panels placed?
…………………………………………………………………………………………………
3. How long can the energy be stored?
…………………………………………………………………………………………………
4. Is the solar energy used in Vietnam now?
…………………………………………………………………………………………………
XIII / Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it
1. Although she was not beautiful, she took part in a beauty contest
→ She was not beautiful ………………………………………………………………
2. It was raining, so we decided to postpone our camping
→ Since ………………..…………………………………………..…………………
3. She want them to sing a song
→ She suggest they ……………………………………………………………………
4. She couldn’t come to class because of her illness
→ As …………………..………………………………………………………………
5. She couldn’t join us because she was busy
→ She was busy ……………………………………………………………………….
6. Because of having a lot of difficulties, she managed to sell the house
→ As ………………. ………………………………………………………………….
7. Shall we go to the cinema tonight?
→ What about ………………………………………………………………………….
8. They requested us to leave the place at once
→ They suggested we ………………………………………………………………….
9. I stay at home because it is raining
→ As …………………………………………………………………………………….
10. She was tired and therefore wanted to go home
→ She wanted to go home because …………………………………………………….
XIV / Choose A, B, C, or D to complete the passage
1. He is going to the post office ____ he wants to send a letter
A. because B. but C. and D. moreover
2. She bought potatoes ____ cabbage at the market
A. although B. and C. however D. but
3. They learn English _____ they intend to go abroad
A. and B. or C. so D. because
4. His hobbies are playing soccer _____ collecting stamps
A. and B. but C. however D. although
5. I’d love to play volleyball _____ I must complete my homework
A. since B. moreover C. but D. and
6. I wear a hat ____ I don’t want to be sick
A. because B. but C. therefore D. and
7. I am going to the supermarket _____ I want to buy some food
A. therefore B. because C. but D. however
8. Do you want to have coffee _____ tea?
A. and B. or C. although D. and
9. She studies well ____ she is busy
A. because B. since C. although D. and
10. They went to school _____ it was raining hard
A. however B. and C. therefore D. although
XV/ Use connectives to combine each pair of the sentences
1. He is very tired. He has to finish his homework (but) → ………………
2. The room is very small. It’s quite comfortable (although) → ………………
3. They went for a walk. The weather was bad (but) → ………………
4. Our teacher didn’t arrive late. The traffic was terrible (although) → ………………
5. I like watching TV. I like going to the cinema (and) → ………………
6. She wears glasses. She wants to see better (because) → ………………
7. He got wet. He forgot his umbrella (therefore) → ………………
8. We learn hard. We hope to pass the exam (and) → ………………
9. They whispered. They didn’t want us to hear them (because) → ………………
10. We are saving money. We want to buy a new house (so) → ………………
XVI / Put the sentences in the correct order then write a complete letter of complaint
1. I / suggest / the local authorities / stop / move it / the countryside
2. I / write / you / terrible smell / sea – product factory / my neighborhood
3. Sincere / the people around this factory
4. When / factory / produce / it have / smell and lots of flies
5. I look forward / see / answer
Dear Mr. President
XVII/ Choose the most suitable words or phrases to fill in the blanks (2 marks)
1. It’s very nice ______ you to say so
A. in B. on C. of D. at
2. What can we do to spend less _____ lighting?.
A. in B. on C. about D. of
3. A new air-conditioner will be _____ this morning
A. installing B. to install C. install D. installed
4. She forgot ______ off the gas before going out.
A. turning B. to turn C. turn D. turned
5. He got wet _____ he forgot his umbrella
A. because B. because of C. but D. and
6. Do you want to have coffee _____ tea?
A. and B. or C. although D. but
7. Peter, _____ can compose many pieces of music, sings very well
A. which B. whom C. who D. whose
8. He is a generous man. He is _____ known for his generosity
A. good B. better C. best D. well
XVIII/ Use the correct form of the verbs in parentheses (2 marks)
1. The plane (take off)______________ although the weather was bad
2. Don’t forget (drive) _____________ carefully
3. If we go on littering, the environment (become) _____________polluted
4. They made their living by (catch) _____________ fish in the ocean every day
XIX/ Use the words given in the box to fill the blanks to make a meaningful passage (2 marks)
Ba and his friends often go away (1) ____ the weekend. They had to wait at Ben Duc (2) _____ a long time. they (3) _____ a boat and it would reach the place (4) _____one hour. They had to walk up the mountain since they left the boat. Ba and his friends were tired, so they rested (5) _____ 5 pm. they (6) ____ to go home after having a short rest at Yen Spring. Ba hurt his foot while he was climbing (7) ____ the boat. Liz took a lot of photos during the visit (8) ____ Huong pagoda.
XX/ Rewrite the sentences with the words given (2 marks)
1. He often played the piano at night
à He used to ____________________________________________________
2. She doesn’t go to China with us
à She wishes ____________________________________________________
3. People should stop experiments on animals
à Experiments on animals __________________________________________
4. They said to him “We must finish these work on time”
à They told him that ______________________________________________
XXI/ Make sentences with the words or phrases provided (2 marks)
1. The girl / you / see / yesterday / be my secretary.
à ___________________________________________________________
2. If you / come / here early / see / her.
à ___________________________________________________________
3. Although / my house / be near the beach / never / go swimming.
à ___________________________________________________________
4. The air / Ho Chi Minh City / be / very polluted.
à ___________________________________________________________