1. 按要求改写下列各句， 每空一词。

1. （1） My sister is ill. I must take care of her at home.（改为同义句）

   My sister is ill. I must her at home.

3. （2） Lin Tao often helps me with my Chinese. （对划线部分提问）

   does Lin Tao help you with your Chinese?

5. （3） Tom goes to bed at ten in the evening. （改为否定句）

   Tom to bed at ten in the evening.

7. （4） They always see a film on Saturdays. （改为同义句）

   They always on Saturdays.

9. （5） I sleep nine hours every night. （对划线部分提问）

   do you sleep every night?