根据对话的情景，从方框中选择适当的句子填在画线处，使对话完整通顺。其中有两项是多余的。
A: Hi, Zhou Yanhong. ____小题1:____
B: I’m reading a book.
A: Oh, do you like reading?
B: Yes, very much. ____小题2:____
A: I like playing the piano.
B: Good. By the way, ____小题3:____
A: It’s easy and interesting. I like it a lot.
B: But I think it’s difficult and boring. ____小题4:____I like Chinese best.
A: ___小题5:____
B:Because I think it’s useful (有用的) and interesting.
