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
