Giải gấp hộ với ạ!
Task 2: Verb tenses:
1. If we (plant) more trees, the air_________ (be) fresher.
2. If the soil_____________(be) polluted, the vegetables__________ (die).
3. Unless he__________ (call) me, I____________(stay) at home.
4. The weather is not very good. It might____________________(rain) this afternoon.
5. If a student________ (recycle) the papers, he_________ (save) energy.
6. I__________ (not clean) my room for a long time.
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Sinh Học lớp 12
