What'swrongwithhim?Ihaven'tseenhim______lastWednesday.A.sinceB.on

发布时间:2020-08-06 19:43:53

What's wrong with him? I haven't seen him ______ last Wednesday.A.sinceB.onC.byD.until

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A解析考查介词。句意为:他怎么了?自从上个星期三以来我就没见过他。本句是现在完成时,介词应该用since,not... until表示“直到……为止”;by和on不能和last连用。
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