I don’t think it is teachers who ________for giving students too much pressure.

What can I do for you,Sir—- I’d like a bag of rice, for I have _______ at home.

Your digital camera is quite nice. Where did you buy_________ I want to buy _________， too.—On the Internet.

For a moment nothing happenedThen ________ all shouting together

_______ he can’t answer the question, you’d better ask someone else.