单项选择题

M: Did you see the list of books for this course
W: Yes,the teacher expects us to get the first five on the list.
M: Are you going to buy them
W: I don’t know. These books are expensive. And I don’t have a lot of money on me.
M: How about sharing them with me
W: Sounds good.
M: Let’s do this. I will buy three and you buy two of them.
W: I would rather do it this way:we pay fifty-fifty for the books now.
M: And Then
W: At the end of the course you can take the books you like and I will take the ones I like.
M: What if we both like the same books
W: Come on,we are not going to argue over that,are we
M: I was just joking. It’s definitely a better idea.
W: Then let’s get the books as soon as possible.

How many books do they have to buy（）

点击查看答案&解析