来来来!英语
来来来!英语
______his telephone number,she had some difficulty getting in touch with bill
A,Not knowing
B,NOt having known
说明理由,
______his telephone number,she had some difficulty getting in touch with bill
A,Not knowing
B,NOt having known
说明理由,
英语人气：378 ℃时间：2020-10-02 06:22:24
优质解答
A,主句为过去时,但是分词结构所表示的动作和主语的动作并没有强调先后关系,因此分词结构不可用过去完成时.
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