补全对话
A. Can I speak to him, please?
B. What are you doing?
C.This is Jack.
D. What’s your father doing?
E. Is your mother reading a book, too?
A: Hello, 1.
B: Hello, Jack. 2.
A: I’m reading a book.
B: 3.
A: No, she isn’t. She is making their bed.
B: 4.
A: He’s working on the computer.
B: 5.
A: Sure. Dad, there is a call for you!