题目内容：

根据句意填上适当的单词或用括号内已给单词的适当形式填空。

1.If you risk something important, you cause it to be in a dangerous situation ____________you might lose it.

2.Thinking makes_______________ we read ours.

3.I still doubt _____________the practical value of this project really exists.

4.It's not_____________ you are from the inside but what you do that defines you.

5.I finally knew the reason for_____________ she didn't talk to me and comforted her.

6.The new school is built on_____________used to be a wasteland.

7.-Hi, Tom, I haven't seen you for ages.

-Yes, I_____________ (live) in London for 3 years.

8.You'd better not phone the manager between 7 and 8 tomorrow evening; he _____________ (have) an important meeting then.

9.I'm afraid he's more of a talker than a doer, which is_____________ he never finishes anything.

10.Evidence has been found through years of study_____________children's early sleeping problems are likely to continue when they grow up.