题目内容
The moment we heard the news of the earthquake,we began to the work to rescue those who were trapped in the building.
A.set off B.set down C.set aside D.set about
D
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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. .
A.sweep up; the instant |
B.clear up; the moment |
C.clean up; immediately |
D.whirled up; directly |