Question

it is known to all that every minute _____use of t_______the lessons will benefit students a great

it is known to all that every minute _____use of t_______the lessons will benefit students a great A.when made, to study B. that made, to study C. that made, studying
为什么不能选b，every minute is used full use of，所以是定语从句啊

Answer 1

你看清楚， 哪儿有 is ???
这里不是定语从句，而是状语从句+省略句（省略了主语+be动词）
原句的正常顺序是：
it is known to all that
when ( it is ) made use of to study the lessons, every minute will benefit students a great.
省略的it 指代的就是every minute 因为主语一致，所以省略了主语和be动词。

译为：众所周知，如果每分钟都被充分地利用来学习课程的话，那将使学生受益匪浅。

Answer 2

高一词组，make use of 利用

Answer 3

It is known to all that I am crazy. I have to baidu everything instead of tying to solve the problems by myself. I can not imagine what