—Hurry up , or you ________ catch the train. A．can’tB．needn’tC． mustn’tD．shouldn
题型：不详难度：来源：
—Hurry up , or you ________ catch the train. | A．can’t | B．needn’t | C． mustn’t | D．shouldn’t |
|
答案
| A |
解析
| can’t 不能；needn’t 不必；mustn’t禁止，一定不；shouldn’t不应该。句意：快点，否则你就不能赶上火车了。情态动词之间的区别主要是表达语气的不同，根据语境可知选A。 |
举一反三
| There"s only one day to go. You _____ finish your schoolwork by tomorrow. |
| --Pauline has lost her phone. –No. It’s in her bag. I _________ hear it. |
—How many English words do you think I should know?
—As many as you ______. Then you will find reading quite easy. |
______ I see your ID card, sir? We have to check your information.| A．May | B．Must | C．Should | D．Need |
|
I _____ ask my father to give up smoking. It’s bad for his lungs.
A. must B. need C. shouldn’t |
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