Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.A．can
题型：不详难度：来源：
Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.| A．can’t be; must be | B．can’t be; mustn’t be | | C．should be; must be | D．must be; can’t be |
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答案
| A |
解析
| A 考查情态动词。can’t译为“不可能”表否定的推测，must“一定”，表肯定的推测。“Lucy的颜色不可能是蓝色，因为她喜欢做领导者；所以，她的颜色一定是红色。” |
举一反三
There is a “ No smoking “ sign here. You _________ smoke.| A．can | B．may | C．needn’t | D．mustn’t |
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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 |
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—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 |
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— 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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