句型转换。

1. She has to eat less food if she wants to stay healthy.(对画线部分提问)

     ______ ______  she ______ to do if she wants to stay healthy?

2. She has a headache.(对画线部分提问)

      ______ ______ a headache?

3. The girl is lying in bed because she is ill.(对画线部分提问)

      ______  ______ the girl ______  in bed?

4. I'm feeling very well now.(对画线部分提问)

      ______  are you ______ now?

5. I went to bed after 10 o'clock last night.(改为同义句)

    I ______ go to bed ______10 o'clock last night.