Could you please ______ loudly in the library?

A．don’t talk        B．don’t say         C．not to talk         D．not talk

Few of them hurt themselves in the accident , ______?

A. don’t they???? ????????????? B. didn’t they??? ????????????? C. did they????? ????????????? D. do they

I have no idea what life would be like without water. The underlined part means “_____ ”.

A) don’t remember     B) don’t know     C) don’t believe     D) don’t expect

Mr Smith told his sons ____ football in the street.

A. don’t play B. not play C. not to play D. to play

–– How do you like the film AVATAR?

–– Great! I _______ such a wonderful film before.

A．don’t see        B．won’t see        C．have never seen    D．have already seen