题目

On receiving the assignment,we _at once.A.set to work B.set out to work C.get down to work
D.all the above
选什么,如何翻译

提问时间：2020-10-08

答案

选D
set to do
set out to do
get down to do
都有开始,着手做某事的意思
译为：一接到通知,我们立刻开始干了起来
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