用“a waste of time”造句.

用“a waste of time”造句. 怎么用a waste of time造句 a waste of time 怎么造句? a waste of time 咋个造句 a waste of time a waste of time 造句要一句,写中文,短一些 解释keep to 和a waste of time 和be short of 并分别造句 “Bai Feili”means（ ） A.a waste of time B.waste of time C.a waste of a time D.waste of a time 答题详细点. It is only a waste of time it was a waste of time and It's a waste of time exactly! A waste of time and effort a waste of time在句中应该什么位置,怎么造句,麻烦造个例句⊙▽⊙谢谢 It's _____to play computer games.(A:waste time B:a wsate of time C:waste of time D:a waste time)选哪个?为什么? waste修饰名词要加of吗 例如a waste of time 相聚用英语怎么说再问你一个“a waste of time 中文 It is a waste of time doing this这里为什么用doing而不用do?为什么? a waste of time后加TO DO还是DOING