题目内容
The students couldn't get across the river because the bridge had been ________ by the flood
．[ ]
A
． washing off B． washed offC
． washing down D． washed down
答案：D
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The students couldn't get across the river because the bridge had been ________ by the flood
．[ ]
A
． washing off B． washed offC
． washing down D． washed down阅读快车系列答案