I didn’t know his telephone number. it, I then. A. Had I known, would ring him up B. Should I know, would have rung him up C. If I knew; would ring him up D. Had I known; would have rung him up 【查看更多】

 

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I didn't know his telephone number．________ it, I ________ then．


  1. A.
    If I had known; would have rung him up
  2. B.
    Should I know; would have rung him up
  3. C.
    If I knew; would ring him up
  4. D.
    Had I known; would ring him up

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I didn't know his telephone number．________ it, I ________ then．

[　　]
A．

If I had known; would have rung him up

B．

Should I know; would have rung him up

C．

If I knew; would ring him up

D．

Had I known; would ring him up

查看答案和解析>>

I didn’t know his telephone number．_________ it, I _________ then．

[　　]
A．

Had I known, would ring him up

B．

Should I know, would have rung him up

C．

If I knew; would ring him up

D．

Had I known; would have rung him up

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