—Why is the house in a mess?—I it for Christmas since three days ago.A．c

题干

—Why is the house in a mess?
—I it for Christmas since three days ago.

A．cleaned	B．cleans
C．have cleaned	D．have been cleaning

上一题下一题 0.85难度单项选择更新时间:2013-10-23 04:37:28

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