补全对话。读对话，选择适当的句子完成对话, 将序号填写在横线上。

A．Would you like to help me with it?

B．I’m good at it.

C．I like English best.

D．You like Maths? It is very difficult(困难的).

E. Why do you like it? 
Tom: Which is your favorite subject, Nancy?
Nancy: ______1______
Tom: English?
Nancy: Yes. I like it very much.
Tom: _______2______
Nancy: Because it is interesting. ________3__ What about you?   
Tom: I like Maths.
Nancy: ___ ______4____
Tom: Nothing is too difficult if you put your heart(心) into it.
Nancy: I’m not good at it. ______5____
Tom: Yes, I’d like to.