根据语境，用恰当的语言完成对话。
A:Hi, Peter. ?
B:Hi, Mike. I’m waiting for a bus.
A:?
B:I’m going to the book store. I want to buy some books. Would you like to go with me?
A:I’d like to. ?
B:Books on science. By the way, ten days ago our country succeeded in sending up ShenzhouⅩ, do you know?
A:Yes. It shows our country is becoming stronger and stronger. I’m proud of it.
B:. So as students, we are supposed to study hard to do something for our country.
A:That’s true. Oh, here comes the bus.
B:OK..