—Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．could visit | D．must visit |
He ___________ unwisely, but he was at least trying to do something helpful.
| A．may have acted | B．must have acted |
| C．should have acted | D．would act |
It is strange that he _________ in such an important examination .
| A．failed | B．should fail | C．should have failed | D．fails |
My sister met him at the cinema yesterday afternoon, so he your lecture.
| A．couldn’t have attended | B．needn’t have attended |
| C．mustn’t have attended | D．shouldn’t have attended |
--- Would you mind if I smoked here?
---I am afraid…, but if you________.
| A．will | B．must | C．would | D．may |
________ you happen to see Mary, would you please ask her to come here?
| A．Would | B．Could | C．Should | D．Might |
—— We expected you yesterday.
—— I'm sorry, I______you to say that I couldn't be here until today.
| A． should have called | B． must have called |
| C． could call | D． would call |
---I was trying to carry out the plan, but I failed.
---Well, you _____, for we were uncertain it would do ____.
| A．needn’t do that, in fact | B．needn’t have done, in effect |
| C．needn’t have, in practice | D．needn’t, in time |
Oh, look at you---you are trembling! You must feel cold now. In fact, you __________ in person. You can contact us by phone next time.
| A．didn’t need to come | B．needn’t come |
| C．needn’t have come | D．don’t need come |
It __________ Tom that parked the car here, as he is the only one with a car.
| A．may be | B．might have been | C．must have been | D．could be |
----- John looks a bit upset. Did you tell him the bad news?
------Yes, but I _____him after his birthday party.
| A．should have told | B．must have told |
| C．shouldn’t have told | D．needn’t have told |
George said that he would come to school to see me the next day, but he ______.
| A．wouldn’t | B．didn’t | C．hasn’t | D．hadn’t |
I _______ have been more than six years old when the accident happened．
| A．shouldn’t | B．couldn’t | C．mustn’t | D．needn’t |
You can not imagine that a well-behaved gentleman _______be so rude to a lady.
| A．might | B．need | C．should | D．would |
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