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When the old man was alive, he sit for hours at the door.A.wouldB.couldC.mustD.might

编辑:chaxungu时间:2026-04-24 13:01:46分类:高中英语题库

When the old man was alive, he ________ sit for hours at the door.
A.wouldB.couldC.mustD.might在线课程A