We're still at the airport. If it weren’t for the delayed flight, we _____the concert right now.
| A．can be enjoying | B．must have enjoyed |
| C．would be enjoying | D．should have enjoyed |
35．—Why didn't you remind him of the possible danger?
—But what ____ otherwise? He never listens to me．
| A．could I do | B．could I have done | C．should I do | D．must I have done |
— How much shall I pay for the phone cell?
— You _______. It’s free of charge.
| A．shouldn’t | B．can’t | C．don’t have to | D．mustn’t |
25．How convenient the public transportation is! There ______ be any difficulty traveling around．
| A．mustn't | B．wouldn't | C．shouldn't | D．needn't |
This has been my life. I have found it worth living, and ____ it gladly again if I _____ the chance.
| A．would live; had | B．had lived; have had | C．have lived; had | D．would live; had had |
Bob’s doctor suggests _______ for a few days.
| A．that he is resting | B．his resting | C．him to rest | D．that he rest |
Persons under18 not be employed in night work in the United States.
| A．can | B．may | C．will | D．shall |
34．—Where is Xiao Wang?
—I don't know．He__________ be in the library.
| A．can | B．must | C．might | D．May |
Evelyn is supposed to attend church soon, but nobody is sure whether she or not.
| A．does | B．is | C．had | D．will |
He _____ his potential had it not been for his desire to meet new challenges.
| A．would never have realized | B．would never realize |
| C．never realized | D．had never realized |