tknowshewashisgrandm的知识精选

________hergrandmabefore,hedidn’tknowshewashisgrandmaev...
问题详情:________hergrandmabefore,hedidn’tknowshewashisgrandmaevenifhismotherhadtoldhim.(  )A.NotbeingseenB.NothavingseenC.HavingnotseenD.Notseeing【回答】B知识点:动词时态与语态题型:选择题...
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