You must try your best to stop him____(make) the same mistake again.

题目

You must try your best to stop him____(make) the same mistake again.

答案

一看大家的回答,我郁闷,
我想用to make的,
因为stop to do 是阻止将要做的事,
stop doing是阻止正在做的事
此举后面是the same mistake again,说明是还没再次犯错,所以是还没发生.