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        1. I ____ him ____ he left school.

          A. have recognized; since
          B. have known; since
          C. had recognized; before
          D. had known; after
          相關習題

          科目:高中英語 來源:山西省模擬題 題型:單選題

          I ____ him ____ he left school.
          [     ]
          A. have recognized; since
          B. have known; since
          C. had recognized; before
          D. had known; after

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