They ________ often _______to be careful before _______the road.A．are, told, cro
题型：不详难度：来源：
They ________ often _______to be careful before _______the road.| A．are, told, cross | B．are, told, across | C．are, telling, crossing | D．are, told; crossing |
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答案
| D |
解析
| D“他们经常被告诉过马路时要小心。”，根据句意得知，考查的是被动语态。before在此为介词，后加doing，故选D。 |
举一反三
Don’t put off today’s work for tomorrow. I mean , today’s work _____today.| A．may do | B．must do | C．may be done | D．must be done |
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—I usually watch TV till 11 o’clock in the evening.
—Really ? Are you __________?| A．allowed to stay up | B．allow to stay up | | C．allowing staying up | D．allowed stay up |
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You have to be 18 years before you _________ to drive a car.| A．are allowed | B．are | C．allowed | D．allow |
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– It’s difficult for the village children to cross the river to get to school.
– We think a bridge ________ over the river.| A．was built | B．should be built | C．has been built | D．is being built |
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—May we leave classroom now?
—No, you . You to leave until the bell rings.| A．mustn’t, are allowed | B．don’t have to, are supposed | | C．needn’t, aren’t allowed | D．can’t, aren’t supposed |
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