题目内容

Look! Tom is too sleepy to work.He _______ up watching TV.
A.mustn’t have stayedB.shouldn’t have stayed
C.mustn’t stayD.ought not to say.
B

从上句Look! Tom is too sleepy to work.说明他本不该熬夜看电视,而实际上是熬夜导致太困了。shouldn’t have done是“本不该做…而实际上却做了”。
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