高中状语从句When you read the book,you'd better make a mark __you have _英语解答

高中状语从句When you read the book,you'd better make a mark __you have any questions.
为何空格处填where而不是at which?

人气：241 ℃　时间：2020-04-03 15:49:49

解答

亲这是状语从句只有在定语从句中你的说法才成立这道题就是考这个