作业帮You_____because the exam is very easy.A should't have failed B should't fail C must have failed D couldn't have failed
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You_____because the exam is very easy.A should't have failed B should't fail C must have failed D couldn't have failed
You_____because the exam is very easy.
A should't have failed
B should't fail
C must have failed
D couldn't have failed
You_____because the exam is very easy.A should't have failed B should't fail C must have failed D couldn't have failed
A.
你本不应该考试不及格,因为这考试很简单.
shouldn't have done sth.本不应该做某事（实际上做了）
希望可以帮到你.
B
A
should't have done 表示 本不应该做某事
A 表示已经failed
选 B