At that time I had no idea _________ I could hand it to him without being seen.
-----__________it be Li Ping who broke the glass? ---- No. It __________ be Wu Dong who did it.
Tell the boy to ______ all lights as he leaves the room.
three times,but she still couldn’t follow what the old man said.
---I am going to take the entrance examination of Fudan University. ---_________________
---Did he tell you the result of the interview right then? ---No. But I think I ought _________.