1 . It's impolite to keep _________ (打断) a speaker during a lecture

2 . ________ a new house is impossible for the young couple because they haven’t saved enough money.

A．Buy	B．Buying
C．Bought	D．Having bought

3 . 他不喜欢被同学们拿他的贫穷来开玩笑。
He hates ________ _______ _______ _______ by his classmates about his poverty.

4 . 没有收到Tom的来信，我感到很焦急，想知道他发生了什么事情。
_______ ______ _______ Tom, I felt anxious, wondering what had happened to him.

5 . Let’s postpone_______ (make) a decision until we have more information.

6 . The policeman was persuaded into giving up______ the student______(指控) theft. (of)

7 . You should get up early to______   ______   ______ (避免迟到) for work. (avoid)

8 . I think this book really ______   ______(值得一看). (deserve)

9 . They all appreciated _____________ (give) the opportunity to go abroad for further study.

10 . Kids need help to adjust to ________ (have) a new baby in the house.