-What should we do now,Mr Clark?-Please turn to Page____and look at the____picture.
Tell me everything _____ you know.
I have many hobbies, _______collecting stamps, playing football and so on.
I wonder if he tonight. If he, I’ll let you know.
- The air pollution is terrible. - It will be worse ________ we take action to protect the environment.
______ he talked with her for a long time, he failed to convince(说服)her.