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        1. They kept ______ the button but nothing happened at all.

          A. press
          B. to press
          C. pressed
          D. pressing
          D
          請(qǐng)?jiān)谶@里輸入關(guān)鍵詞:
          相關(guān)習(xí)題

          科目:初中英語 來源:同步題 題型:單選題

          They kept ______ the button but nothing happened at all.
          [     ]
          A. press
          B. to press
          C. pressed
          D. pressing

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