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____his telephone number ,she had some difficulty getting in touvh with Bll选项见下
A.Having not known B.Not having known C.Knowing notD.Not knowing什么句型,语法有哪些点?
人气:415 ℃ 时间:2020-04-07 12:57:52
解答
选D
非谓语从句,因为非谓语动词和主语是主动关系,
且否定非谓语时,not放前面.
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