—Is Jack on duty today? —It_____ be him. It’s his turn tomorrow.A．mustn’tB．won’
题型：不详难度：来源：
—Is Jack on duty today?
—It_____ be him. It’s his turn tomorrow.| A．mustn’t | B．won’t | C．can’t | D．needn’t |
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答案
| C |
解析
试题分析：考查情态动词表示推测：句意：--今天杰克值日吗？--不可能是他。明天该轮到他。Can’t be用于否定推测“不可能是”，must表示推测的时候，表示“肯定是”，won’t不愿意，needn’t不必，选C。 |
举一反三
Do some warming up exercise before sports. Or you _______ hurt yourself.| A．must | B．need | C．should | D．may |
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Thanks to his pension, Li Zhentian, _____ give each of his grandchildren RMB 5 as a Chinese New year gift for the first time.| A．had to | B．was able to | C．would | D．could |
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—Can I pay the bill by check?
--- Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.| A．shall | B．mustn’t | | C．can’t | D．will |
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---You are sweating. ______ I fetch you some water?
---It’s so kind of you. |
I"m afraid Mr.Harding ______ see you now.He"s busy.| A．can"t | B．mustn"t | | C．shouldn"t | D．needn"t |
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