I hope you------ all the material before you make the decisi

题目考察的是将来完成时态 will have done.

将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作.经常与before+将来时间或by+将来时间连用,也可与before或by the time或by the end of短语引导的现在时的从句连用.


I hope you will have read all the material before you make the decision.
我希望你做决定之前就已经仔细读过所有资料

若有疑问及时追问,满意敬请采纳,O(∩_∩)O谢谢~~