Ask questions and give short answers. (对下列各句提问并作简略回答.)
1. Kate is doing her homework.
__________________?
Yes, __________. No, _________.
2. His parents are talking with the teachers.
___________________?
Yes, _________. No, __________.
3. Jim is cleaning his room.
______________?
Yes, __________. No, _______.
4. My friends are eating breakfast.
___________________?
Yes, _________. No, _________.
5. My aunt is cooking dinner.
________________?
Yes, __________. No, _________.
