The rubbish ______ is produced every day is becoming a serious problem in
cities around the world.
A. which B. who C. / D. where
I think you should complain, of course, you are happy with the
situation.
A. until B. unless C. though D. however
—Can we _______ tonight's party?
—We've invited friends and I'm afraid it's too late now.
A. put up B. put off C. put on D. put away
Which dress do you like best, Madam?Sorry. I can’t decide ___________ now.
A. to buy which one B. buy which one
C. which one to buy D. which one should I buy
_____ others more if you want to get along well with them. _____ others also makes you happy.
A. Help; Help B. Helping; Helping C. Help; Helping D. Helping; Help
—Must I return him the money this week?
—No, you ______. But you ______ return it by the end of this month.
A. mustn’t; must B. shouldn’t; can C. can’t; may D. needn’t; must
