-________haveyoubeeninthiscity?-Morethanfifteenyearsbynow.A.HowlongB.Ho

发布时间：2020-08-04 23:59:07

-________ have you been in this city?-More than fifteen years by now.A.How longB.How manyC.How oftenD.How old

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A解析表“多长时间”用“how long”．
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