补全对话。 从下面所给句中选出 5个恰当的句子完成对话,并将序号填入横线上。

A：Can I help you？

B: 1. __________

A：Did you enjoy the book？

B：No，I couldn't read it. 2. __________ So I decided to give up.

A：Isn't it interesting？

B：It isn't the language. It's the words. They are too small for me.

A:3. __________ What can I do for you then？

B: Well, I'd be glad if you could find me another book.

A: 4. __________

B: Yes, but one with bigger words.

A：How about this one？

B: Oh , Harry Potter. This one is fine . 5. __________ Thanks .

A: My pleasure.

A. Yes. Can I keep the book longer?

B. Another fiction?

C. Yes，they are really small.

D. Yes, I'd like to return this book , please

E. I've been too busy to read it.

F. And the words are much bigger.

G. I had a hard time reading a few pages.