题目内容
A: I'm sorry I stepped out for a smoke, I was tired.
B: There is no________ for this while you are on duty.
A.reason B.cause C.time D.excuse
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题目内容
A: I'm sorry I stepped out for a smoke, I was tired.
B: There is no________ for this while you are on duty.
A.reason B.cause C.time D.excuse