. —What do you think we can do for our aged parents?—You __________ do anything
题型：不详难度：来源：
. —What do you think we can do for our aged parents?
—You __________ do anything except to be with them and be yourself.| A．don’t have to | B．oughtn’t to | | C．mustn’t | D．can’t |
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答案
| A。 |
解析
| don’t have to意为“不必”。句意是：你不必做什么，只需陪陪他们，真诚地对待他们。 |
举一反三
. It is usually warm in my hometown in March, but it _________ be rather cold sometimes. | A．must | B．can | | C．should | D．would |
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| . You don’t have to know the name of the author to find a book. You _________ find the book by the title. |
. —I’m sorry. I _________ at you the other day.
—Forget it. I was a bit out of control myself. | A．shouldn’t shout | B．shouldn’t have shouted | | C．mustn’t shout | D．mustn’t have shouted |
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. What a pity. Considering his ability and experience, he _________ better.| A．need have done | B．must have done | | C．can have done | D．might have done |
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It would be very safe if you_________ the door_________ to the garden.| A．fasten;led | B．will fasten;leads | C．fastened;leading | D．fastened;to lead |
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