根据答句写问句，完成对话。
1. Doctor: ________________________________________?
Mike: I have a sore throat.
2. Amy: __________________________________________?
Mary: Tom is sad today.
Amy: Why?
Mary: __________________________________________.
3. Mr Black: _______________________________________?
John: Yes. Peter feels happy today.
4. Lucy: __________________________________________?
Tom: I feel _____________. I'm going on a big trip.
