Question

【题目】His parents warn him ________ computer games for a long time.It's bad for his eyes.

A. don't play B. not to play C. don't to play

Answer 1

【答案】B

【解析】试题分析：他的父母警告他不要玩长时间的电脑游戏，那样对他的眼睛有害。Warn sb not to do sth警告某人不要做某事。故选B。