根据对话内容，选择句子完成对话

A. By bike. B. Sure. Why not? C. What about 9 o'clock? D. What are you going to buy? E. I'm going to the bookstore to buy some books. F. And we must pay attention to the traffic lights.

(Kate and Lucy are talking on the way home.)

Kate: Hello, Lucy.

Lucy: Hi, Kate. What are you going to do this Sunday?

Kate:

Lucy: Sounds great!

Kate: I'm going to buy some comic books.

Lucy: I want to buy a dictionary, too. Can I go with you?

Kate:

Lucy: Cool! How will we get there?

Kate:

It's not far.

Lucy: When are we going?

Kate:

Lucy: OK. Don't forget to wear a helmet.

Kate: I see.

Lucy: That's right. See you then.