Question

                                        第4课时

一、从方框中选择合适的单词或词组，并勇气适当的形式填空。

living   live   alive

1.He says he is ______ only because he cam swim.

2.They are like ______ textbook for young people.

3.Zoos are terrible places for animals to ______ in.

be used for    be sued as     be used to

4.A pen ______ writing.

5.English ______ the second language in many countries.

6.Big leaves can _____ carry water.

Answer 1

答案：

1.alive

2.living

3.live

4.is used for 

5.is used as

6.be sued to