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When Johnwoke up he was in the hospital, but he didn’t know how that had .A.been happenedB.come abou

编辑:chaxungu时间:2026-04-24 12:57:59分类:高中英语题库

When Johnwoke up he was in the hospital, but he didn’t know how that had ________.
A.been happenedB.come aboutC.been come aboutD.been taken place在线课程B
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