题目内容：

用所给短语完成句子（共10小题；每小题1分，满分10分）

1.I came back _________________ the rain.

2.How many people are living in this house__________________?

3.You can not imagine what I am ___________________.

4.Then they began _________________ experiments.

5.Everybody was going about their business _________________.

6.He's been working without a rest _________________ breakfast.

7.He said he had left the door open __________________.

8.Under no conditions should we_________________.

9.Peace _______________ seemed an impossible dream.

10.We study hard _______________ make our dreams true.