spend time on doing something is correct, is that spend time

spend time on doing something is correct, is that spend time spend time后面+on doing还是spend time doing time spend on playing video games is on the rise和 time spend spend time to do something 和spend time doing something的区别 I believe that it is important for us to spend some time on sb. spend time doing something是一种句型,那么有没有sb. spend time to d spend time on造句 spend time （on） doing sth 和spend time （in） doing sth spend time in doing sth和spend time on doing sth的区别 spend time on sth 和spend time in doing sth 用法和区别 英译汉.①sb spend $/time on sth ②sb spend $/time in doing spend time doing有没有?spend time on〔in〕doing中的on‖ in可省吗?