--- Do we have to hand in our research reports this afternoon, Professor Smith?
--- Yes, you _______ . I will be waiting to check them all the afternoon.
A. should B. may C. can D. must
The young couple had a quarrel last night and neither of them would give in to ______.
A. the other B.another C.one D. either
In the rice-growing world, ______ Chinese scientist, Yuan Longping, is ______ leading figure.
A. a; the B.the; a C.a; a D. the; the
You are well prepared for the job interview, ______ there’s no need for you to get so nervous.
A. or B.while C.but D. so
---Shall we open the window to let some fresh air in?
---_________. I’m feeling a little cold.
A. No, I would rather not. B. Sure, go ahead please.
C. Sorry, you’d better not. D. Yes, that couldn’t be better.
--May I speak to your manager at four o’clock this afternoon?
--I’m sorry. He ________ to a conference long before then.
A. will have gone B. had gone C. would go D. has gone
