题目

（give）—more instruction,thestudents would have done the exercisemuch better答given
（give）—more instruction,the students would have done the exercisemuch better答given为什不是虚拟if had given

提问时间：2020-08-03

答案

the students would have done the exercisemuch better
显然是虚拟
因为主语是the students,前面一定要被动,
可以说:given
或者不用分词短语,改成复合句的分句.
if they had been given,
if had given这样不行.