学以致用。
Tom: ___________________________________?
Mike: I’m going to buy an English book.
Tom: I want to buy a Chinese book. _________________________.
Mike: Sure.
(They lost their way, they met a policeman.)
Mike: ___________________________________?
Policeman: It’s next to the science museum.
Tom: ___________________________________?
Policeman: Yes, it’s a little far. You can go there by the No. 101 bus.
Mike/ Tom: Thank you very much.
Policeman: ______________________________.