Question

Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.

A．where

B．when

C．that

D．what

Answer 1

C

注意在本句里的situation是先行词，在空格后的定语从句里缺少的是主语，而且指的是物，所以该空我们可以用which或者that，但是不管用什么都不能省略。