单项选择题

—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
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单项选择题
—How about your trip to Qingdao —It couldn't have been ______ . Sometimes I went swimming in the sea; sometimes I lay on the sand, bathed in sunlight.
A．so well
B．as bad
C．better
D．worse
单项选择题
—Could you teI1 Lucy about the meeting when you see her —Sure, I will ______ I see her.
A．certainly
B．fortunately
C．probably
D．immediately
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