practice doing(do) something?

practice doing(do) something? practice to do 还是doing? 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 for ,need to do,need doing 造句 practice加to do还是doing…… practice 加doing 还是 to do 还是什么 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? practice in doing 和practice doing 区别 practice doing sth造句 practice doing sth造句 practice doing&to doRT practice to do sth.和practice doing sth.的区别是什么啊谢谢个位高手了． let's do some practice这样说对吗 practice doing sth.和 learn to do sth.它们有什么区别doing 和 to do?我该怎么去使用doing和to do?我不是很清楚. 是spend to do 还是spend doing还有practice后面跟什么? 求英语知识点,如practice doing sth want to do sth