I____have failed the exam without your help.A.should B.shall C.might D.will

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I____have failed the exam without your help.A.should B.shall C.might D.will

I____have failed the exam without your help.A.should B.shall C.might D.will
I____have failed the exam without your help.
A.should B.shall C.might D.will

I____have failed the exam without your help.A.should B.shall C.might D.will
C.might have done 的意思是过去可能做过某事.句意:如果没有你的帮助我看能救考试不及格了.
should have done是过去本应该做而没做的意思(指有义务做);shall不能和have done搭配;will也不能和have done搭配,只能说would have done,过去本来会做某事的意思.

汉武帝时期汉朝人

A should have done应该怎样但没有怎样

选C.没有你的帮助我可能不能通过考试,虚拟