Question

It is said that this is the biggest lab ________ they have ever built in their school.

A. which
B. what
C. 不填
D. where

Answer 1

答案C
考查定语从亮培句。当表示事物的先行词前面有最高级修饰的时候，使用关系代词that,当关系代词在句子做宾语的伏银时候，又可以省略。本题的that指代前面的先行词the biggest lab，在句中做built的宾语，敬厅唯可以省略。