题目内容
If I ______ more about giving first aid, I ______ them.
A. know, would have helped B. know, have helped
C. knew, could have helped D. had known, could have helped
D
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If I ____ more about diamond, I ____ cheated by that man.
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A.had known, would not be |
B.had known; wouldn’t have been |
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C.knew; would not have been |
D.had known; would never be |