Hestartedtoworkdilligently_____he

发布时间:2020-07-25 22:18:22

He started to work dilligently _____ he came up with the idea of hybrid rice for the first time in the 1960’sA.at onceB.the momentC.for the momentD.in no time

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B解析考查短语。本题考查连词短语the moment一……就……,其它短语不可作连词,故选B。
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