—Can you tell me what time the flight to Detroit leaves?—I’m sorry, but it _____

题干

—Can you tell me what time the flight to Detroit leaves?
—I’m sorry, but it _______________.

A．has been canceled	B．had been canceled
C．has canceled	D．had canceled

上一题下一题 0.85难度单项选择更新时间:2013-10-29 06:06:31

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