Today, we _____ work as hard as people did in the past.A．mustn’tB．can’tC．shouldn
题型：不详难度：来源：
Today, we _____ work as hard as people did in the past.| A．mustn’t | B．can’t | C．shouldn’t | D．don’t have to |
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答案
| D |
解析
| 本题考查情态动词的含义。本题的含义为如今我们没有必要向过去的人们那样努力工作。don’t have to表示没有必要做某事的含义，符合本题的句意；而mustn’t的含义为不准，can’t为不可能的含义，shouldn’t为不应该的含义，后三者与本句的意思不符，故本题选D。 |
举一反三
—Look at the picture on the wall. It ________be David’s.
—Yes, his name is on the first page.| A．can | B．can’t | C．must | D．mustn’t |
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—Listen ! Helen is singing in the next room.
—It __________ be Helen. She is in Tianjin now. | A．can’t | B．mustn’t | C．may not | D．shouldn’t |
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—Must I come back before supper, mum?
—No, you .| A．can’t | B．mustn’t | C．don’t | D．needn’t |
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-----Can I watch TV, Mom?
-----No, you . You to do your homework first.| A．don’t; have | B．can’t; can’t | C．can’t; have | D．do; must |
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— May I take the magazine out of the reading room?
— No, you can’t. You ______ read it here. It’s the rule.| A．must | B．would | C．may | D．might |
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