Middle school students _________ smoke because it is bad for their health.
| A．needn’t | B．couldn’t |
| C．shouldn’t | D．may not |
You be tired after playing sports for a long time without a rest.
| A．need | B．must | C．can | D．should |
---The man in a black cap _______ be our maths teacher.
----It _______ be him. I saw him in the laboratory building some minutes ago
| A．must, can’t | B．can; mustn’t |
| C．can; could | D．must; won’t |
—__________ she sing English songs?
—Yes, she can.
| A．Can | B．Must | C．Need | D．Should |
As a teacher ， you patient .
| A．can’t be to | B．can’t to be |
| C．can’t be too | D．can’t too be |
—Someone is knocking at the door. Who ______ it be?
—It ______ be Tom. He is still in the school.
| A．may; can’t | B．can; mustn’t |
| C．might; couldn’t | D．could; may not |
— I forgot to bring my dictionary. Could I use yours?
— Yes, you ______ .
| A．can | B．must | C．could | D．should |
The woman ______ be our English teacher. She has gone to Canada.
A．can’t B．needn’t C．mustn’t
This dictionary______ Ellen’s. Look, her name is on it.
A. must be B. can’t be C. might be
You ______ come to the office today______ someone else will do the work for you.
| A．needn’t； so | B．needn’t； since |
| C．don t need to； so | D．don’t need； since |
-Must I finish all the homework this evening?
-No, you __________. Tomorrow is Saturday, and you have enough time for it.
| A．mustn’t | B．needn’t | C．won’t | D．can’t |
The book Harry Potter____Mary because J.K.Rowling is her favorite writer.
A.must belong to
B. can’t belong to
C. may be
As the saying goes，the moon________ always be full .
A. can’t B. shouldn't C. mustn’t
_______ she isn't at home. She_______ go to Beijing.
| A．May; maybe | B．Maybe; maybe |
| C．Maybe; may | D．May; may |
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