从方框内选出适当的选项完成对话，有两项是多余的。
A: Hello! Mr. Wang. ______  What are you doing?
B: I’m looking for a book called A Tale of Two Cities.
A: _____________
B: That’s right. I’m thinking about asking some students to act a play about the book.
A: ___________ But I think that’s a bit hard for our students.
B: Well. _____________ By the way, I hope you can be the hero of it.
A: Really? I’ll try my best.
B: OK. _____________ Then I’ll give you one week to get ready.