4. His father had to do some___________(额外的) work to make more money at that time.

3. In our class, our________________(平均的) age is about 16.

2. Although we had many teachers, they each taught only one____________(科目).

根椐句子意思和所给中文，写出适当的单词。

1. Everyone should learn to ________________(尊敬)others.

25.He is the only one of the boys of his class who _______ the piano well.

A. plays　　　　　　　　　　 B. play　　　　　　　　　 C. playing　　　　　　　　　　 D. are playing

24. The director and his movies ____ you have just talked about are really popular.

　 A. who　　 B. which　　　 C. that　　　 D. of whom

23.The young singer _______ voice sounds _______ is good at singing popular songs.

A. who; wide　　　　　　 B. whose; sweet　　 C. which; high　　　　　　　 D. whose; beautiful

22.We'll never forget the days _______ we spent together last year.

A. when　　　　　　　　　　 B. that　　　　　　　　　 C. how　　　　　　　　　 D. on which

21. After______ university, David came to China to study Chinese..

A. graduation from　 B. graduating　 C. graduation　 　　　　　　 D. graduating from

20. Before you make any decision, you’d better compare ______ you can get.

　　　 A. all the information　　　　　　　　　　　　　　　　 B. many informations that

　　　 C. a lot of informations　 　　 　　　　　　　　　　 D. the information who