从方框中选择单词，并用其适当形式完成句子。

1．All the people in the war want to live in ________．

2．He was out of ________ at last．

3．Our villages and farms are ________ bigger and bigger．

4．The ________ is becoming very serious．

5．Because of the pollution,more and more animals are killed in ________．

6．There are ________ people to pick apples．

7．The tower is the ________ of our city．

8．Please tell us about your work ________．

9．It's our duty to ________ animals．

10．Our ________ carries out the one-child policy(政策)．