读一读，补全对话。A: Hi, Jack. This is mom. 1._______________ ?
B: I'm reading a book.
A: 2.________________________ ?
B: No, my sister isn't reading. She's playing.
A: 3._____________ ?
B: My brother is drawing on the floor.
A: 4.__________________ ?
B: My father is sleeping.
A: What? 5.________ ?
B: He's in the study.
试题答案
1. What are you doing
2. Is your sister reading a book
3. What is your brother doing
4. What is your father doing
5. Where is he