He________hereforthreeyears,bynex

发布时间：2020-07-11 02:33:41

He ________ here for three years, by next summer he will have graduated．













A.studies












B.is studying











C.has been studying











D.will study

网友回答

C解析根据“by next summer he will have graduated”可知动作还要继续。
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