waste怎么用?后边跟不to do还是 doing

still 后边加to do 还是doing waste time to do sth还是waste time doing sth? waste的用法waste sth. in doing sth.是doing还是to do a waste of time后加TO DO还是DOING it is a waste of time doing还是to do 请问,It is a waste of time 后该用to do 还是 doing It is a waste of money 后用to do还是 doing Promise后面跟to do还是doing? 短语a waste of time 后加的是 to do还是 doing? a waste of time后面是加 doing sth还是to do sth Be a waste of time 后加doing还是 to do .教参上都是doing,但Oxford初阶上用to practice doing 为什么practice的后面要跟doing 而不跟do 或者 to do