Not until the press reported the pollution _________ why the water supply had be

Not until the press reported the pollution _________ why the water supply had be

题型:不详难度:来源:
Not until the press reported the pollution _________ why the water supply had been cut off.
A.people did knowB.people had known
C.did people knowD.had people known

答案
C
解析

试题分析:not until 位于句首,句子使用部分倒装。排除AB,D答案时态不对。句意:
直到新闻报道了污染人们才知道为什么水的供应被切断。
点评:倒装分为部分倒装和完全倒装。要分清他们的概念及使用规则。部分倒装是把部分谓语(be动词/助动词/情态动词)提到主语前面,完全倒装是把整个谓语提到主语前面。
举一反三
I don’t expect the children to be noisy, nor ________ them to be quiet.
A.I expectB.do I expectC.I have expectedD.have I expected

题型:不详难度:| 查看答案
—What are you anxious about?
—_______.
A.How can we succeedB.Whether we can succeed
C.When can we succeedD.That we can succeed

题型:不详难度:| 查看答案
____, he does not know the answer.
A.As he is a teacherB.As he is teacher
C.A teacher as he isD.Teacher as he is

题型:不详难度:| 查看答案
_______ that it was already the fourth time that he _______ abroad.
A.So lucky he was; traveled
B.So lucky was he; traveled
C.So lucky he was; had traveled
D.So lucky was he; had traveled

题型:不详难度:| 查看答案
He is so busy with the research         he has no time left for any other    activity.
A.whichB.thatC.whyD.because

题型:不详难度:| 查看答案
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