It is vital that every piece of equipment ________ before the experiment.A.is ch

It is vital that every piece of equipment ________ before the experiment.A.is ch

题型:不详难度:来源:
It is vital that every piece of equipment ________ before the experiment.
A.is checked B.will be checked
C.be checkedD.must be checked

答案
C
解析
本题考查虚拟语气。句型Itisvitalthat中,从句中谓语动词用should 加 动词原形,should通常可以省略。
举一反三
----Thank you very much for giving me a hand when I was in trouble.
------Don’t mention it. I only did what anyone else _______ in my place.  
A.must doB.might doC.would have doneD.can have done

题型:不详难度:| 查看答案
—Will you read me a story, Mummy?
—OK.You    have one if you go to bed right away.
A.willB.mightC.shallD.could

题型:不详难度:| 查看答案
—Most of the students went to the party yesterday. It is a pity you were absent.
—I wish I          . But I was terribly busy.
A.didB.hadC.were D.would

题型:不详难度:| 查看答案
Thank you so much! But for your text message, I ____ home without my ID card this morning.
A.would have leftB.would leaveC.had left D.left

题型:不详难度:| 查看答案
— We haven"t been to the Great Wall for ages.
— No, I don"t remember how many years ago _______ I last visited it.
A.it was thatB.was it thatC.it was whenD.was it when

题型:不详难度:| 查看答案
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