She ____ have left school, for her bike is still here.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
It is usually warm in my hometown in March, but it ______ be rather cold sometimes.
| A．must | B．can | C．should | D．would |
-Where's Amy7
-I'm not sure．She ____ be in the laboratory
| A．might | B．can |
| C．must | D．should |
--Your phone number again？I _____quite catch it．
-- It’s 9568422．
| A．didn’t | B．couldn’t |
| C．don’t | D．can’t |
—It is a mystery and a shock to all who knew him that he____ have taken his own life in this way.
—What a pity, indeed.
| A．must | B．may |
| C．can | D．should |
It’s possible that Paul was linked to the attempted murder; he _____ have had a hand in planning it.
| A．must | B．might | C．should | D．would |
—I am worn out now. I stayed up last night to finish the report.
—Oh? You ______. The professor asked us to hand it in next week.
| A．needn’t have | B．wouldn’t have |
| C．couldn’t have | D．can’t have |
You ________ reach him on his mobile now --- his mobile is still under repair.
| A．shouldn’t | B．wouldn’t |
| C．can’t | D．mustn’t |
It was unusual that such close neighbors ______ not know one another.
| A．could | B．would | C．must | D．should |
－The fire in the supermarket last night was terrible !
—They have taken some measures to prevent it occurring．
| A．must | B．will | C．would | D．should |
Since you have such good preparations, there ______ be any problem about passing the
coming job interview.
| A．mustn’t | B．shan’t |
| C．shouldn’t | D．needn’t |
Overloaded with work, school teachers now get far less sleep than they_______.
| A．shall | B．should | C．may | D．can |
-----Who’s the man over there?Is it Mr.Black?
——It______be him.He’s much taller.
| A．may not | B．can’t | C．will not | D．mustn’t |
We _____ have bought so much food now that Suzie won’t be with us for dinner.
| A．needn’t | B．mustn’t | C．can’t | D．should |
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