Young people tend to get up very late unless ________ to rise early.A.requiredB.
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Young people tend to get up very late unless ________ to rise early.A.required | B.requiring | C.they were required | D.to require |
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答案
A |
解析
考查非谓语动词。当unless引导的状语从句与主句主语一样时,可以省略,用they are required,故选A。 |
举一反三
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