---WhendidhegotoAmerica?---Oh,he________theresincehalfayearago.A.wentB.h

发布时间:2020-08-04 11:26:33

---When did he go toAmerica?---Oh, he ________there since half a year ago.A.wentB.has beenC.has goneD.was

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B解析since +一般过去式出现时,主语一般用现在完成时。
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