—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
Mary __________ the job he offered to her, but she didn’t.
| A．can’t take | B．ought to have taken | C．should take | D．must have taken |
—Hi, Johnson, any idea where Susan is?
—It's class time, so she in the classroom now.
| A．can be | B．must have been | C．might have been | D．should be |
I ______ her, but I never could.
| A．ought to help | B．must help |
| C．ought to have helped | D．must have helped |
Helen ______ go on the trip with us, but she isn’t quite sure yet.
| A．shall | B．must | C．may | D．can |
— I want someone to write the composition for me.
— No! It’s a rule in our school that as a student, you _______ depend on yourself.
| A．shall | B．will | C．can | D．should |
I _____ have watched that movie --- it’ll give me horrible dreams.
| A．couldn’t | B．needn’t | C．shouldn’t | D．mustn’t |
On rainy days, accidents ______ happen sometimes on steep roads．
| A．should | B．shall | C．must | D．can |
After hours of repair, the driver tried to start the machine but it _________ work.
| A．won’t | B．shouldn’t | C．wouldn’t | D．couldn’t |
Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours．
| A．can; have to | B．may; can | C．have to; may | D．ought to; must |
England can __________ three main areas, the South, the Midlands and the North.
| A．break away | B．be divided into | C．be consisted of | D．leave out |
－What do you think we can do for our aged parents?
－You_______ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．can’t |
It’s said that there are plenty of hotels here .There be any difficulty for you to find somewhere to stay.
| A．mustn’t | B．needn’t | C．wouldn’t | D．shouldn’t |
–Is there an express to Beijing tonight?
-- There ______be , but you’d better call the booking office to make sure.’
| A．can | B．might | C．will | D．must |
Whenever he worked until midnight, he drink some coffee to get refreshed.
| A．could | B．should | C．must | D．would |
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