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 查看更多

 

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________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

 

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________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

 

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______ 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 know

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____ 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

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___________ 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

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