—I can’t find my purse anywhere.
—You __ have lost it while shopping.
| A．may | B．can | C．should | D．would |
-What sort of house do you want to have? Something big?
--Well, it ______ be big--that's not important.
| A．mustn't | B．needn't | C．can't | D．won't |
When I was young, I was told that I ______ play with matches
| A．wouldn't | B．needn't | C．mustn't | D．daren't |
John promised his doctor he _____ not smoke and he has never smoked ever since.
| A．might | B．should | C．could | D．would |
—How’s your tour around the North Lake? Is it beautiful?
—It ________ be, but it is now heavily polluted.
| A．will | B．would | C．should | D．must |
__________ fired, your health care and other benefits will not be immediately cut off.
| A．Would you be | B．Should you be | C．Could you be | D．Might you be |
If it were not for the fact that she_______sing, I would invite her to the party.
| A．couldn’t | B．shouldn’t | C．can’t | D．might not |
_______ he had not hurt his leg, John would have won the race.
| A．If | B．Since | C．Though | D．When |
Thank you for all your hard work last week. I don’t think we ____ it without you.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |
——My cat’s really fat.
——You____________have given her so much food.
| A．wouldn’t | B．couldn’t |
| C．shouldn’t | D．mustn’t |
I told your friend how to get to the hotel， but I perhaps I __________ have driven her there.
| A．could | B．must | C．might | D．should |
——Do you think it necessary that he ________ to Miami but to New York?
——I agree， but the problem is ________ he has refused to.
| A．will not be sent; that |
| B．not be sent; that |
| C．should not be sent;what |
| D．should not send; what |
Eliza remembers everything exactly as if it _________ yesterday.
| A．was happening | B．happens | C．has happened | D．happened |
_______environmental issues, the government will enforce existing regulations.
| A．Regards | B．As | C．For | D．As regards |
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