Matching.
A B
1. Hi, Lan. What are you doing? a. I’m reading a book about Santa Claus.
2. What are you reading? b. No, it isn’t.
3. Is it interesting? c. I don’t know what to do. Can you tell me?
4. Why don’t you do anything more interesting? d. Yes. That’s a great idea.
5. Let’s play football. e. I’m reading.