英语语法时态单选Peterhasjustarrived,andIdidnamp;#39;tknowhe()untillastnight.A.hadcomeB.wascomingC.willcomeD.istocomeTheteacherwantstoknowwhetherwe()ourpapers.A.hadhandedinB.wouldhandinC.havehandedinD.a |
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