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 off
C. washing down D. washed down
答案：D
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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 off
C. washing down D. washed down