Today is Wednesday. He _______ be at home. He _____ be at school.A．can’t; canB．c
题型：不详难度：来源：
Today is Wednesday. He _______ be at home. He _____ be at school.| A．can’t; can | B．can’t; must | C．mustn’t; must | D．mustn’t; can |
|
答案
| B |
解析
| 从上文来看，第一空应为否定形式，后句为肯定形式。Must一般不用否定形式，所以选B。 |
举一反三
Susan’s parents bought a large house with a swimming pool. It ______be very expensive.| A．can | B．must | C．mustn’t | D．can’t |
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---Who is the tallest boy? ---It ______ be John. John is of medium height.| A．must | B．needn’t | C．might | D．can’t |
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A. not eat B .eat C. not to eat |
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