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题目内容 (请给出正确答案)
I should think it over before I( )on such a hazardous project.

A.commence
B.start
C.begin
D.embark

参考答案

参考解析
解析:embark“着手;从事”,常与on(upon)连用。句意;在从事这项危险工程之前,我得考虑考虑。C.begin,B.start和A.commence都与“开始”之意。begin为一般用语,commence正式用语,指某一正式行动之开始。start则着重于做某件事的第一步,三词都可跟不定式和动名词。
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