题目内容
________his telephone number, she had some difficulty getting in touch with Bill.
A. Not knowing B. Knowing not
C. Not having known D. Having not known
A
现在分词做状语表示原因。
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题目内容
________his telephone number, she had some difficulty getting in touch with Bill.
A. Not knowing B. Knowing not
C. Not having known D. Having not known
A
现在分词做状语表示原因。