There is a “ No smoking “ sign here. You _________ smoke.A．canB．mayC．needn’tD．mu
题型：不详难度：来源：
There is a “ No smoking “ sign here. You _________ smoke.| A．can | B．may | C．needn’t | D．mustn’t |
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答案
| D |
解析
| 分析句意，这儿有一块不允许吸烟的牌子，填A或B,均不合题意；C项needn’t，是“不需要”，不符合题意；D项，mustn’t，是强制的命令，“不允许”，选D. |
举一反三
He____know the answer, but I’m not sure.
A:maybe B:may be C:may D:must |
—Can you tell me what to wear at the party?
—If I you, I the blue jeans.| A．am; will wear | B．was, will wear | C．were, would wear | D．were, wore |
|
—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.| A．may; mustn’t | B．mustn’t; mustn’t | C．can’t; can’t | D．must; can’t |
|
— Must I stay here with you?
—No, you_____. You may go home, but you ______go to the net bar.| A．mustn’t , needn’t | B．needn’t, mustn’t | | C．must, need | D．need, must |
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You’re too tired. You _______ have a good rest.| A．should | B．can | C．may | D．shouldn’t |
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