approach to doing还是doto是介词?

approach to doing还是doto是介词? approach to sth /doing sthholistic approach to It is an effective approach to do还是to doing? be accustomed to+do还是doing?approach是可数名词吗?caculate和abandon的用法? approach to approach to I'd like to do还是I'd like doing I'd like sb.doing sth.还是 to do sth. the approach is to tap renewable resource 还是 is taping? approach,与approach to的区别 approach to sth. approach to 什么意思 Approach to Simulations the approach to doing sth 和the way to do?为什么一个to doing 一个是to do?类似的还有什么? object to doing 还是object to do 还是object doing?! dislike doing还是to do escape to 还是escape doing delay doing 还是TO DO