The biggest problem for most plants,which_______just get up and run away when th
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The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.| A．shan’t | B．can’t | | C．needn’t | D．mustn’t |
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答案
| B |
解析
| can’t意为“不能”。根据常识可判断出植物不会站起来和逃跑。故选B项。shan’t 是shall的否定形式,作情态动词在陈述句中用于第二人称或第三人称,表示说话者的意志、命令、约定、决心、警告、威胁、预言等,意为“不应该,不要”。needn’t 意为“不需要”。mustn’t 意为“不准,禁止”。 |
举一反三
—Where is my dictionary?I remember I put it here yesterday.
—You___it in the wrong place.| A．must put | B．should have put | | C．might put | D．might have put |
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—My cat’s really fat.
—You _______ have given her so much food.| A．wouldn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
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—What does the sign over there read？
—“No person___smoke or carry a lighted cigarette,cigar or pipe in this area.” |
— How about your journey to Mount Tai?
— We _____ a pleasant journey but for the rain.| A．would have | B．will have | C．had had | D．would have had |
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Some people who don’t like to talk much are not necessarily shy; they _____ just be quiet people. | A．must | B．may | C．should | D．would |
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