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