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题目
题型:不详难度:来源:
According to the air traffic rules, you ___ switch off your mobile phone before boarding.
A.mayB.canC.wouldD.should

答案
D
解析
should此处表示根据交通法规应尽的责任和义务。
核心考点
试题【According to the air traffic rules, you ___ switch off your mobile phone before 】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
John promised his doctor he _____ not smoke and he has never smoked ever since.
A.mightB.shouldC.couldD.would

题型:不详难度:| 查看答案
—How’s your tour around the North Lake? Is it beautiful?
—It ________ be, but it is now heavily polluted.
A.willB.wouldC.shouldD.must

题型:不详难度:| 查看答案
__________ fired, your health care and other benefits will not be immediately cut off.
A.Would you beB.Should you beC.Could you beD.Might you be

题型:不详难度:| 查看答案
If it were not for the fact that she_______sing, I would invite her to the party.
A.couldn’tB.shouldn’tC.can’tD.might not

题型:不详难度:| 查看答案
_______ he had not hurt his leg, John would have won the race.
A.IfB.SinceC.ThoughD.When

题型:不详难度:| 查看答案
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