【单选题】 —I'm sorry I stepped outside for a smoke. I was very tired. —There is no ______ for this while you are on duty.
A.reason
B.excuse
C.explanation
D.cause
网考网参考答案:B
网考网解析:
[考点] 口语应用
[解析] excuse意为“托词,借口”;reason意为“理由”;explanation意为“解释”;cause意为“动机,原因”。
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