题目内容
Look! Tom is too sleepy to work.He _______ up watching TV.
| A.mustn’t have stayed | B.shouldn’t have stayed |
| C.mustn’t stay | D.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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