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
答案: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。