

1) There are (A) many researches show (B) that various species of (C) animals have been extinct (D)
2) There (A) is no (B) point at (C) telephoning her. She has just gone out (D)
3) He never (A) allows us entering (B) into the room which (C) is on (D) the second floor
4) We didn't have (A) many knowledge (B) about (C) physics (D)
5) Sometimes (A) students don't do well (B) in the examination because (C) they are very (D) nervous to concentrate
6) He told (A) them to obey (B) the traffic law when travelled (C) on (D) the road
7) Skydiving (A), a difficult and dangerous sport, are becoming (B) very popular with (C) both men and (D) women
8) Ann and (A) Susan have known each other (B) during (C) they were (D) at school
9) Habitat fragmentaion (A) have caused (B) plant and animal species (C) in the ramaining islands of habitat to lose contact with (D) others of their own kind
10) Some people think that as (A) more and more people have (B) TV in their homes so fewer and fewer people will buy books to read (D)
11) Books with (A) good storied are (B) often described (C) like (D) food for thought
12) Los Angeles and San Franciso are two (A) of the more (B) visited (C) cities on the (D) West Coast
13) Although (A) I wanted to go (B) to the concert (C) tonight, I decided staying (D) home
14) The more (A) the relative humidity rises (B), the worst (C) the heat affects us (D)
15) Have you ever (A) read "Oliver Twist", an (B) interesting novel (C) to write (D) by Charles Dickens?
16) You had better to change (A) your study habits (B) if you want to be (C) admitted to a good college (D)
17) Students can borrow (A) books to read (B), but they needn't (C) take the books out of the library (D)
18) Mary was pleased with (A) a work (B) the children had done (C) on their own (D)
19) Janet is finally used to cook (A) on an electric stove after having (B) a gas one (C) for so long (D)
20) Synchronized swimming (A) become (B) an Olympic event at (C) the Los Angeles Games (D) in 1984
21) There are any (A) tips on how (B) to save money and (C) protect yourself when shopping on-line (D)
22) George is not enough intelligent (A) to pass (B) this economics (C) class without help (D)
23) He never (A) allows us entering (B) into the room which (C) is on (D) the second floor
24) The next (A) host for the SEA Games is Laos. It is (B) Lao's the first (C) time as the host (D) for the biannual-games
25) Perhaps the most (A) unique thing about (B) carbon atoms are (C) their ability to combine (D) with themselves
26) I like the fresh air (A) and green trees (B) of the village which (C) I spent my vacation (D) last year
27) Since 1984 (A) the sport has included (B) in the (C) Olympic Games as (D) part of the yachting events
28) He has less (A) friends in his (B) class now than (C) he had last year (D)
29) People respected (A) him because (B) he was a (C) honest man (D)
30) My friends and I (A) enjoy playing the guitar (B) and have (C) a walk (D) in the forest
31) She passed (A) the board exam, who (B) made her (C) parents pround (D)
32) At first (A) we found it difficult (B) to get used to drive (C) on the other side (D) of the road
33) I find it importance (A) that (B) we should keep (C) silent during (D) the meeting
34) Today is such beautiful (A) day that I can't bring myself (B) to complete (C) all my homework (D)
35) Each of the (A) nurses report (B) to the operating room when his or her name (C) is called (D)
36) A lot of (A) articles about (B)the environmental (C) pollution have written (D) by my classmates
37) People who have (A) drunk alcohol must not to drive (B) at (C) any (D) cost
38) She wishes that we didn't send (A) her the candy (B) yesterday because (C) she's on (D) a diet
39) Because of the traffic was heavy (A), we (B) were (C) late for (D) work
40) She passed (A) the board exam, who (B) made her (C) parent pround (D)
41) Mount St.Helens, a (A) volcano in Washington state (B) in the United States (C), erupted in May 18 (D), 1980
42) Plant and animal extinct (A) leads to a loss of (B) biodiversity, so (C) maintaining biodiversity is important for us in many ways (D)
43) Elena asked Steve who (A) had he (B) been to (C) the cinema with (D)
2) There (A) is no (B) point at (C) telephoning her. She has just gone out (D)
3) He never (A) allows us entering (B) into the room which (C) is on (D) the second floor
4) We didn't have (A) many knowledge (B) about (C) physics (D)
5) Sometimes (A) students don't do well (B) in the examination because (C) they are very (D) nervous to concentrate
6) He told (A) them to obey (B) the traffic law when travelled (C) on (D) the road
7) Skydiving (A), a difficult and dangerous sport, are becoming (B) very popular with (C) both men and (D) women
8) Ann and (A) Susan have known each other (B) during (C) they were (D) at school
9) Habitat fragmentaion (A) have caused (B) plant and animal species (C) in the ramaining islands of habitat to lose contact with (D) others of their own kind
10) Some people think that as (A) more and more people have (B) TV in their homes so fewer and fewer people will buy books to read (D)
11) Books with (A) good storied are (B) often described (C) like (D) food for thought
12) Los Angeles and San Franciso are two (A) of the more (B) visited (C) cities on the (D) West Coast
13) Although (A) I wanted to go (B) to the concert (C) tonight, I decided staying (D) home
14) The more (A) the relative humidity rises (B), the worst (C) the heat affects us (D)
15) Have you ever (A) read "Oliver Twist", an (B) interesting novel (C) to write (D) by Charles Dickens?
16) You had better to change (A) your study habits (B) if you want to be (C) admitted to a good college (D)
17) Students can borrow (A) books to read (B), but they needn't (C) take the books out of the library (D)
18) Mary was pleased with (A) a work (B) the children had done (C) on their own (D)
19) Janet is finally used to cook (A) on an electric stove after having (B) a gas one (C) for so long (D)
20) Synchronized swimming (A) become (B) an Olympic event at (C) the Los Angeles Games (D) in 1984
21) There are any (A) tips on how (B) to save money and (C) protect yourself when shopping on-line (D)
22) George is not enough intelligent (A) to pass (B) this economics (C) class without help (D)
23) He never (A) allows us entering (B) into the room which (C) is on (D) the second floor
24) The next (A) host for the SEA Games is Laos. It is (B) Lao's the first (C) time as the host (D) for the biannual-games
25) Perhaps the most (A) unique thing about (B) carbon atoms are (C) their ability to combine (D) with themselves
26) I like the fresh air (A) and green trees (B) of the village which (C) I spent my vacation (D) last year
27) Since 1984 (A) the sport has included (B) in the (C) Olympic Games as (D) part of the yachting events
28) He has less (A) friends in his (B) class now than (C) he had last year (D)
29) People respected (A) him because (B) he was a (C) honest man (D)
30) My friends and I (A) enjoy playing the guitar (B) and have (C) a walk (D) in the forest
31) She passed (A) the board exam, who (B) made her (C) parents pround (D)
32) At first (A) we found it difficult (B) to get used to drive (C) on the other side (D) of the road
33) I find it importance (A) that (B) we should keep (C) silent during (D) the meeting
34) Today is such beautiful (A) day that I can't bring myself (B) to complete (C) all my homework (D)
35) Each of the (A) nurses report (B) to the operating room when his or her name (C) is called (D)
36) A lot of (A) articles about (B)the environmental (C) pollution have written (D) by my classmates
37) People who have (A) drunk alcohol must not to drive (B) at (C) any (D) cost
38) She wishes that we didn't send (A) her the candy (B) yesterday because (C) she's on (D) a diet
39) Because of the traffic was heavy (A), we (B) were (C) late for (D) work
40) She passed (A) the board exam, who (B) made her (C) parent pround (D)
41) Mount St.Helens, a (A) volcano in Washington state (B) in the United States (C), erupted in May 18 (D), 1980
42) Plant and animal extinct (A) leads to a loss of (B) biodiversity, so (C) maintaining biodiversity is important for us in many ways (D)
43) Elena asked Steve who (A) had he (B) been to (C) the cinema with (D)