Itwastwelveo'clock__________theyfin

发布时间:2020-07-26 03:35:16

It was twelve o'clock __________they finished the work.A.sinceB.whichC.thatD.when

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D解析考生可能受强调句型的思维定势影响而选C。若选C,将其还原,则变成:They finished the work twelve o'clock.显然twelve o'clock前少了介词at,故错。因此可判定该题为定语从句,关系副词when在从句中作状语,it是指代时间的非人称代词,不属于强调句型中的it。
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