1. If we ( keep on ) using more and more motor vehicles, we (run out) of oil 2. If we ( run out) of oil, we (need) other kind of energy. 3. If we (use) more oil and coal, pollution (increase). 4. If pollution (increase), more and more trees (die). 5. If more and more trees (die), the climate (change) 6. If the climate change), we meet) with natural disasters. 7. If we( try) to control pollution, it (be) very expensive 9 If you (want) to speak English fluently, you (must/ practice)it more...
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1. If we ( keep on ) using more and more motor vehicles, we (run out) of oil
2. If we ( run out) of oil, we (need) other kind of energy.
3. If we (use) more oil and coal, pollution (increase).
4. If pollution (increase), more and more trees (die).
5. If more and more trees (die), the climate (change)
6. If the climate change), we meet) with natural disasters.
7. If we( try) to control pollution, it (be) very expensive
9 If you (want) to speak English fluently, you (must/ practice)it more often.
10 He (pass)the exam if he (study) hard.
11. If he invite) me, I'll accept.
12.What you (do) if she refuses your invitation?.
13.If I (be) free, I'll visit you.
14.He'll be late for school if he (not get) up early.
15.If he (read) in bad light, he'll ruin his eyes.
16.If he (take)my advice, everything can go well.
1/ C. are running --> will run
2/ B. recycling --> recycle
3/ C. sending --> send
4/ A. will be --> is
5/ C. made
1/ C.
2/ B.
3/ C.
4/ A.
5/ C.