— Excuse me,().— Yes, it's 8633-2788. If you have any other questions, don't hesitate to ask.

A. Hello!

B.Yes？

C.I am busy.

D.Excuse me？

-Excuse me, is this seat free？ -().

A: No, you can't sit here

B: Sorry, it is taken

C: Yes, it is seated by a boy

D: Yes, but I don't know

-Excuse me, would you lend me your calculator？

A. Certainly. Here you are

B. Yes , I have a hand

C. It's nothing

- Excuse me, can you tell me the way to the bus stop？

- _________

A：Yes, go straight down this way to the end.

B：Why do you ask me the way？

C：Yes, I will.

D：No, I can't tell you that.

A、Certainly.

B、No, of course not.

C、No, thank you.

D、Yes, please.

A. Certainly. Here you are

B. Please don't mention it

C. It's nothing

D. Yes, I have a hand

A. Certainly、 Here you are

B. Yes , 1 have a hand

C. It's nothing

A.It’s too late

B.It doesn’t matter

C.Oh, yes

D.I think so, too

---Excuse me, may I sit here？ ---_______ .

A、Please sit down

B、You ’re welcome

C、Yes, certainly. This seat’s free

D、Yes, it doesn’t matter

A.I beg your pardon?

B.You're welcome.

C.Excuse me?

D.Mm,let me think.