---Couldyoutellmewhen

問題詳情：

---Could you tell me when _____the doctor _____time?

         ---I am not sure now. But when he _____free，I’ll phone you.

      A have，is   B. did have，was  C./ will have，is

【回答】

C

知識點：動詞時態

題型：選擇題