practice doing&to do

practice doing&to do practice doing sth.和practice to do sth.的区别 practice doing 为什么practice的后面要跟doing 而不跟do 或者 to do practice doing(do) something? practice加to do还是doing…… practice 加doing 还是 to do 还是什么 practice for ,need to do,need doing 造句 practice用法后面加to. do. 还是doing practice to do sth.和practice doing sth.的区别是什么啊 practice to do sth.和practice doing sth.的区别是什么? practice doing sth.和 learn to do sth.它们有什么区别doing 和 to do?我该 求英语知识点,如practice doing sth want to do sth