We _____ estimate the spirit of the Shanghai Expo too much, which is sure to pla
题型：不详难度：来源：
We _____ estimate the spirit of the Shanghai Expo too much, which is sure to play an important role in our daily life.| A．may not | B．should not | C．must not | D．cannot |
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答案
| D |
解析
| 考查情态动词。句意“我们不可能过高估计上海世博会的精神，它一定会在我们的日常生活中扮演重要的角色。”A“可能不”；B“不应该”；C“禁止”；D“”不可能。Can’t的语气比may not强。故选D。 |
举一反三
—Is Pro. Smith giving the speech today?
—It __________ be him. He is abroad right now.| A．can’t | B．needn’t | C．won’t | D．mustn’t |
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It ___ be the postman at the door. It’s only six o’clock.| A．mustn’t | B．can’t | C．won’t | D．needn’t |
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—“What courses are you going to take next semester if you want to receive enough credits to get your degree?”
—“I don’t know. But it’s about time on something.”| A．I’d decide | B．I decide | C．I’m deciding | D．I decided |
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—My goodness! The accident might not have happened if we had done it more carefully.
—But we .| A．haven’t | B．wouldn’t | C．hadn’t | D．didn’t |
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The boss took no notice of the suggestion given by the clerk that the new technology _____ the problems on conveying the products.| A．be applied to solve | B．be applied to solving | | C．applies to solving | D．applies to solve |
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