The man over there _________ be over fifty. He looks so young.A．mustn’tB．mustC．c
题型：不详难度：来源：
The man over there _________ be over fifty. He looks so young.| A．mustn’t | B．must | C．can’t | D．can |
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答案
| C |
解析
| mustn’t意思是“不许，不要”，表示禁止做某件事；must可以表示推测，意思是“一定”，语气比较肯定；can’t可以表示推测，意思是 “不可能”。本题的后半句“He looks so young.”给出提示，说明说话者认为这个男士不可能超过50岁，故选C。 |
举一反三
— Shall I tell John about it ?
— No , you . I’ve told him already .| A．needn’t | B．wouldn’t | C．shouldn’t | D．mustn’t |
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–Can you swim? --___________, but my brother Tom can. | A．Yes, I can. | B．No, I can’t. | C．Yes, I do. | D．No, I don’t. |
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----Must I leave now?
----No, you _________. There is still some time left.
A. mustn’t B. needn’t to C. don’t have to |
---Could I go boating this weekend, Dad?
---Yes, you ________. But you ________ come back before lunch.| A．could; must | B．can; must | C．could; should | D．must; should |
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—Whose workbook is this, Tony?
—Look! Ann"s name is on it! It ______ be hers.| A．can"t | B．must | C．may | D．mustn"t |
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