---- Look! A man is cutting a tree on the moon.
----It ______ be true. The teacher said there is no air on the moon.
| A．can’t | B．may not |
| C．shouldn’t | D．mustn’t |
Five-star hotels provide better services than some small hotels. You _______ even use free WIFI there.
| A．must | B．can |
| C．ought to | D．used to |
The water in the river nearby will be dirtier than before if nothing __________.
| A．has done | B．will be done |
| C．is done | D．was done |
―Is Tom coming to the concert this evening?
―No, he _________ be at the concert. He _______ abroad.
| A．mustn’t, has been | B．mustn’t, has been to |
| C．can’t, has gone to | D．can’t, has gone |
The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
| A．do; lift | B．did; lift |
| C．were; lifted | D．were; lift |
–Someone is knocking at the door. Who ______ it be?
--It be Victor. He has gone to London yesterday.
| A．can; mustn’t | B． can ; can’t |
| C．will; must | D．may; mightn’t |
—Must I go to medical school and be a doctor like you, dad?
—No, you _______,son. You’re free to make your own decision.
| A．can’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
–Is that Kate’s car?
--It ______be hers. She has just gone for a meeting.
| A．can’t | B．should |
| C．mustn’t | D．may |
— Alice, you ______ on the phone.
— I’m coming. Thanks.
| A．want | B．wanted |
| C．are wanting | D．are wanted |
John ______ leave for New York tomorrow, but I’m not sure.
| A．must | B．may |
| C．could | D．need |
—Let’s go to Zhongshan Park by taxi.
—It’s not far. We _________ take a taxi.
A. needn’t B. can’t C. mustn’t
—Honey, stay at home before I return.
—I , mum.
A. must B. can C. will
-- Can you play the piano?
-- ____________________________.
| A．Yes, a little | B．Sure, I can’t |
| C．No, you can | D．No, I can |
—Boy, you _______ lean (伸) out of the window while the bus is running. That’s dangerous.
—Sorry, I won’t do that again.
| A．needn’t | B．oughtn’t |
| C．couldn’t | D．mustn’t |
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