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Đề I: Choose the word that best completes the sentences
1. We should use _______ to save natural resources. ( oil, solar energy, coal, gas)
2. __________ means creating new products from used materials.
Đề II: Put the verbs in the form of verbs
1. -...................... you ever (see) .............................. a real robot at work? - No, never.
2. The police (probably, catch)............................................... the bank robber
3. Jane: Who's going to the party?
Martha: Well, a number of people haven't told me yet. But, Peter and Mark (help) ........................out with the cooking!
1. We should use _______ to save natural resources. ( oil, solar energy, coal, gas)
2. __________ means creating new products from used materials.
Đề II: Put the verbs in the form of verbs
1. -...................... you ever (see) .............................. a real robot at work? - No, never.
2. The police (probably, catch)............................................... the bank robber
3. Jane: Who's going to the party?
Martha: Well, a number of people haven't told me yet. But, Peter and Mark (help) ........................out with the cooking!