题目内容
I got up early this morning, but I ________ so because I was not on duty today.
A. mustn’t have done B. needn’t have done
C. didn’t need to do D. can’t have done
B
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题目内容
I got up early this morning, but I ________ so because I was not on duty today.
A. mustn’t have done B. needn’t have done
C. didn’t need to do D. can’t have done
B