Not until actually ________ with water shortage ________ appreciate the value of
题型:不详难度:来源:
Not until actually ________ with water shortage ________ appreciate the value of water to a region.A.facing; one can | B.faced; can one | C.faced; one cannot | D.facing; cannot one |
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答案
B |
解析
试题分析:考查状语从句的省略式和倒装句:not until后面直接用非谓语动词做状语,说明是省略了从句的主语和be动词,而be faced with是“面对”所以是过去分词,AD是错的,not until引导的时间状语从句放在句首,主句用部分倒装,而且是肯定式。句意:直到确实缺水,一个人才能真正欣赏水对一个地区的价值。选B。 点评:如果主句的主语和从句的主语一致,且状语从句的谓语动词中有 be 动词,从句的主语连同be 可一起省略,该类状语从句多为时间、地点、条件、方式或让步等,连词为when, while, though, if, unless, although, as if 等,后面通常接分词、不定式、形容词、名词等。以否定词开头的句子要求部分倒装。注意下列句子中助动词或情态动词提前、甚至补充助动词的用法:例:Not until yesterday did little John change his mind.(小约翰直到昨天才改变了主意。) |
举一反三
Her pronunciation is as good as, if ____than, her teacher"s.A.no better | B.not better | C.no good | D.not good |
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I don’t think she’ll be upset, but I’II see her in case______________.A.she will | B.she is | C.she does | D.she would |
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Only when I read this story for a second time _________to appreciate its beauty.A.did I begin | B.that I begin | C.I began | D.had I begin |
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-----I am sorry for having been so rude to you. ---------That’s OK. I am sure you didn’t___________.A.have to | B.mean to | C.hope so | D.want so |
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The room, although_________ to be kept locked, was often left open.A.supposing | B.supposed | C.to be supposed | D.having supposed |
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