--- lesson 21 Which book? 哪一本书？
--- Listen to the tape then answer this question.听录音，然后回答问题。
--- Which book does the man want?这位男士要哪本书？
Give me a book please, Jane.请拿本书给我，简。
Which book?哪一本？
This one?是这本吗？
No, not that one.不，不是那本。
The red one.是那本红皮的。
This one?这本吗？
Yes, please.是的，请给我。
Here you are.给你。
Thank you.谢谢。