——Can you come on Friday or Saturday?
——I’m afraid day is possible. I will go to the hospital to look after my friend.
A. either B. none C. any D. neither
——I’d like to book a flight to Shanghai, please.
——____________.
A. No, of course not B. Do you mind if I said no?
C. Yes, sir, single or return? D. You can’t. We are busy
——May I smoke here?
——If you , choose a seat in the smoking section.
A. should B. could C . must D. may
Thank you for helping me. I the final exam without your timely help.
A. have failed B. will fail C. would have failed D. must have failed
——Has Tom finished his report so far?
——I have no idea. He it this morning.
A. did B. has done C. was doing D. had done
______ I admit that all these problems are difficult, I don’t agree that they can’t be solved.
A. Unless B. While C. Until D. Since
