完成对话（共5小题，每小题2分，计10分）
通读下面的对话，然后根据上下文补全对话内容。
A: Hello, Bob. I called you yesterday afternoon, but there was no reply.
B: Sorry, I didn’t take my phone with me.
A: ____________________________________?
B: I was in a bookstore.
A: _____________________________________?
B: I was choosing some books.
A: _____________________________________?
B: Yes, I did. I bought some books about folk stories.
A: Folk stories? I like them very much. _______________________________________?
B: Yes. You can borrow one or two from me. But why not buy some for yourself? I can go with you to the bookstore.
A: Good idea. Thank you very much.
B: ___________________________________.