с английским 1.We use public transportation more. *

а)should

б)shouldn't

2.We use environment friendly deodorants. *

а)should

б)shouldn't

3.We cut down the trees. We save them. *

а)should ... should

б)shouldn't ... should

4.We love animals. They are our real friends. *

а)should

б)shouldn't

5.We use coal in houses. It pollutes air very much. *

а)should

б)shouldn't

6.We use filters in factories. We pollute the air. *

а)should ... shouldn't

б)shouldn't... shouldn't

7.We hunt animals. We save them. They are our friends. *

а)should ...shouldn't

б)shouldn't ...should

8.We turn off electric devices when we don't use them. *

а)should

б)shouldn't

9.We use our private cars. Because they pollute air much. *

а)should

б)shouldn't

10.We pour chemicals into our sinks. They pollute water. *

а)should

б)shouldn't

11.We use solar energy more. It's clean and harmless. *

а)should

б)shouldn't

12.We use environment friendly detergents. *

а)should

б)shouldn't

13.We waste paper to save our trees. We recycle them. *

а)shouldn't ...should

б)shouldn't...shouldn't

14.We turn off the tap when we don't use it. We save water. *

а)should...should

б)shouldn't...should

15.We use animals in our experiments. We harm them. *

а)should...shouldn't

б)shouldn't...shouldn't

16.We pour factory wastes into water resources. *

а)should

б)shouldn't

17.We plant more trees. We need them to breathe. *

а)should

б)shouldn't

18.We use electric cars. Because they are clean. *

а)should

б)shouldn't

18.We turn off the lights when we don't need them. *

а)should

б)shouldn't

19.We throw away rubbish. They pollute environment. *

а)should

б)shouldn't

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