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,

B: Hello, Jack.

A: I'm reading a book.

B:

A: No, she isn't. She is making their bed.

B:

A: He's working on the computer.

B:

A: Sure. Dad, there is a call for you!