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: Hello, Mary.
B: Hello, Kate.
A:  小题1:
B: I'm reading a Chinese story book.
A: Do you like Chinese?
B:  小题2:   What do you think of it?
A:    小题3: I think it’s too difficult.
B:    小题4: 
A: I like geography best.    小题5: 
B: Yes, you’re right. I like it, too.

A．Yes. It’s my favorite subject.

B．It is a little boring.

C．Which subject do you like best?

D．What book are you reading?

E. I think it’s easy and interesting.
F. What class are you having?
G. I don't like it at all.