In the bag he found a piece of paper on which were written some special words.

题目

In the bag he found a piece of paper on which were written some special words.
A.which were written B.on which were written
C.that was written D.on that were written
key ：B
Q：D为什麼不对啊

答案

这是一个定语从句在定语从句的引导词中有这样一个规则：介词+关系代词=关系副词,这里面的关系代词不能使用that“in、on、at 、to+which=where""for which=why""oninatduring+which=when"所以D选项 on that根本就...