1. 根据要求完成句子，一空一词。

1. （1） Tom becomes interested in playing basketball. （改为同义句）

     Tom         playing basketball

3. （2） Bob likes the story because it is funny.（对划线部分提问）

       Bob like the story?

5. （3） There are more than 900 students in our school.（改为同义句）

     There are  900 students our school.

7. （4） They can't see film unless they have tickets.（改为同义句）

     They can't see film   theyhave tickets.

9. （5） The box is so heavy that we can't carry it.（改为同义句）

     The box is   heavy for us  carry.