live on 后接doing sth 还是to do sth?

live on 后接doing sth 还是to do sth? emphasize 后的动词怎么用?如果说 emphasis 后接 on doing sth.那么 emphasize 也可以接 on doing On doing sth how about后接doing sth? be worried about后接sth还是doing sth? be absorbed in 后可以加doing sth.还有focus one's attention on ,on后面可以加doing sth. spend on sth 等于spend doing sth 有spend.on doing sth work on doing sth造句? got an invitation to do sth 还是 on doing sth/in doing sth/of doing sth keep on doing sth与keep doing sth 的区别 13,appreciate doing sth 14,catch sb doing sth 15,consider doing sth 16,devote to doing sth 17,keep...doing sth 和 keep on doing sth work on doing sth还是work on to do sth? 英语would you like后接to还是doing sth. spend...on(in)doing sth.造句 spend st/sm on doing sth 造句 spend ...on(in) doing sth ---------------------------------------------的区别 用keep on doing sth 造句