Many questions have been answered by John. He must have previewed the lessons last night, ____ he? A...
2023-02-03 21:25:56 14次 20102011湖南湘潭高三第五次模拟英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Many questions have been answered by John.
He must have previewed the lessons last night, ____ he?
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A．needn’t
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B．hasn’t
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C．didn’t
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D．mustn’t
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