1. 句型转换

1. （1） Mary is doing her homework. (改为否定句)

   Mary her homework.

3. （2） We are singing now. (改为一般疑问句)

   singing now?

5. （3） They are playing games. (对划线部分提问)

   What ?

7. （4） She is going to work this evening. (改为一般疑问句)

   she to work this evening?

9. （5） looking, the, homes, of, the, stars, film, we, at, are, (. )(连词成句)