We worked all night, _____ for the coming procession.A.to prepareB.preparingC.preparedD.was preparin

题目简介

We worked all night, _____ for the coming procession.A.to prepareB.preparingC.preparedD.was preparin

题目详情

We worked all night, _____ for the coming procession. 
A.to prepareB.preparingC.preparedD.was preparing
题型:单选题难度:偏易来源:不详

答案

B
作状语的现在分词短语常用逗号与句子的其它部分隔开,而作目的状语用的动词不定式短语只有置于句首时,才可以用逗号隔开.当然,若去掉逗号,答案则变成A.

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