30 ...... he spoke clearly, people would understand him
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1 doing->to do
2 Unless->If
3 had finished->finishes
4 will reduce->reduce
5 Unless->If
6 would->will
7 am->were
8 find in->find
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1 If a person looks at the sky at night, he will not able to see the Milky Way by naked eye
2 If noise pollution happens regularly, it will cause stress or nuicanse
3 If water pollution gets more serious in the future, it will affect the development of economy and society
4 If Australia invests in water in Vietnam with good results, half of the pollution in rural areas will access to fresh water
5 If you use compact light bulbs, you will save a lot of energy
6 If we have more space, we will plant more trees
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21 ..... my brother had enough money, he would buy that car
22 ............ it didn't rain, we would go out
23 ...... knew his address, I could contact him
24 ...... it weren't too cold, we could go swimming
25 ...... the exercises weren't difficult, I could finish in fifteen minutes
26 ..... she weren't busy, she could go to the meeting
27 ....... I met her, I would give her your letter
28 ....... they weren't slow, they could win the match
29 ..... she weren't weak, she could take exercise
rewrite :
1.If my bother had enough money,he would buy that car.
2.If it didn't rain,we would go out.
3.If i knew his address,i could contact him.
4.If it wasn't too cold,we would go swimming.
5.If the excirsises weren't very diferent,i could finish in fifteen minutes.
6.If she wasn't busy,she could go to the meeting.
7.If i met her,i would give her your letter.
8.If they weren't slowe,we could win the match.
9.If she wasn't weak,she could take every excersie.
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