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Jim must have read the novel; otherwise he all the answers to these questions.

编辑:chaxungu时间:2026-04-27 03:03:52分类:高中英语题库

【题目】Jim must have read the novel; otherwise he (not know) all the answers to these questions.

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【答案】couldn't have known
【解析】考查虚拟语气。 句意:Jim一定是读这部小说了,要不然的话他不会知道所有这些问题的答案。故填couldn't have known。