1. What are you doing?__________________________________________________________
2. What is Amy doing?
__________________________________________________________
3. What is Daming doing?
__________________________________________________________
4. What is Lingling doing?
__________________________________________________________
5. What is Sam doing?
__________________________________________________________1. I'm doing my homework.
2. She is swimming.
3. He is running.
4. She is reading a book.
5. He is playing football.
答案不唯一