The police warned the children the football in the street.A. don’t playB. not playC. to no

问题补充：

The police warned the children the football in the street.

A. don’t play

B. not play

C. to not play

D. not to play

答案：

A. don’t play

B. not play

C. to not play

(答案→)D. not to play

解析：“warn sb. not to do sth.”意为“警告某人不做某事”。