Allpossiblemeans

发布时间:2020-07-25 09:05:09

All possible means       to save the wounded soldier.A.has been triedB.have been triedC.is to be triedD.are trying

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B解析means是单复数同形名词,谓语的单复数取决于句子意思,如all/those/a lot of means动词用复数;every/this/that means动词用单数。
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