Question

I have urged Tony ________(stay) away from computer games before he becomes addicted to them.

Answer 1

to stay　

考查动词词义。句意：在托尼对电脑游戏上瘾之前我劝说过他远离电脑游戏。urge sb. to do sth.“恳求/催促某人做某事”，与句意相符。