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 |
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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 |