This problem may lead to more serious ones if ____ unsolved.A.makingB.remainedC.

This problem may lead to more serious ones if ____ unsolved.A.makingB.remainedC.

题型:不详难度:来源:
This problem may lead to more serious ones if ____ unsolved.
A.makingB.remainedC.keepingD.left

答案
D
解析
本题考查省略句的用法。此处完整的句子应为:This problem may lead to more serious ones if it is left unsolved.在从句中如果主语与主句的主语一致时,常将从句的主语和谓语的一部分省略。
举一反三
The birth planning policy allows my  parents to have a second child because of my disability, but to look after me, they chose         .
A.not to doB.not toC.not to haveD.to not have one

题型:不详难度:| 查看答案
Never in my wildest dreams ____ lead to a career in the NBA, which has allowed me to give back to my people in Africa.
A.I thought the chance wouldB.I thought would the chance
C.did I think the chance wouldD.did I think would the chance

题型:不详难度:| 查看答案
——He ought to have been warned of the danger.
——____, but he wouldn’t listen to me.
A.yes, he ought toB.So he wasC.So was heD.So it was with him

题型:不详难度:| 查看答案
On the top of the mountain          two towers built more than 500 years ago.
A.is standing
B.are standing
C.stand
D.stands

题型:不详难度:| 查看答案
Not until the fish died in the river             how serious the pollution was.
A.did the villagers realize
B.the villagers realized
C.the villagers did realize
D.didn’t the villagers realize

题型:不详难度:| 查看答案
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