3．I will call Tom up this afternoon．(对划线部分提问)

　　　 　will 　　　　call up this afternoon?

2．To study English well is important for us．(改为同义句)

　　　 　　　　　　for us to study English well．

1．I think she will become a famous singer in the future．(改为否定句)

I 　　　　　　　　　　　　she will become a famous singer in the future．

15．He decided 　　　　　(tell) people how important it was to save the environment．

14．He left 　　　　(strange) without saying a word．

13．He said he 　　　　(clean) his bedroom at this time yesterday．

12．I don’t think you are 　　　　(suppose) to smoke in the meeting room．

11．The 　　　(science) are studying about why the earth is becoming warmer and warmer．

10．He is in 　　　　　(危险)of losing his job if he goes on like this．

(C)用所给单词的适当形式填空。

9．Last Saturday I 　　　　　　(买)many books in the bookstore．