题目内容
The moment we heard of the accident, we ____ the work to rescue those trapped in the mine.
A. set off B. set down C. set back D. set about
D
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相关题目
It is every citizen’s duty to go out to ______ the snow on the street______ it stops falling so as to make it convenient for traffic to pass. .
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A.sweep up; the instant |
B.clear up; the moment |
|
C.clean up; immediately |
D.whirled up; directly |