－Didthedoctorssavetheoldman？     －Yes.He

問題詳情：

－Did the doctors save the old man？

      －Yes. He _______ on the morning of May 10th. And now he is out of danger.

     A. was operated     B. operated     C. operated on    D. was operated on

【回答】

D

知識點：動詞語態

題型：選擇題