Tom: Excuse me, may I sit here? Mary:（）.

A. Hello!

B.Yes？

C.I am busy.

D.Excuse me？

A.All right

B.of course

C.Yes, please

D.Call me Andy, please

---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.Excuse me, here is the wine list and menu for you.

B.May I help you with the table？

C.May I present it to you now？

D.Can I take it away？

A.Fine, what about you？

B.That’s good

C.Well done

D.Here you are

A.Of course not.

B.You’re welcome to use it.

C.It doesn’t matter.

D.Why？

A.spend

B.share

C.spare

D.stop

A.Excuse me, I feel like vomiting. May I have an airsickness bag？

B.Excuse me, I feel airsick. Would you please give me a cleaning bag？

C.I'm sorry I am airsick. Could you please hand me an airsick bag.

D.I'm sorry, I don't feel well. I want to throw up.

A.Excuse me, here is the wine list and menu for you.

B.May I help you with the table？

C.May I present it to you now？

D.Can I take it away？