The first thing I should do is to work out a study plan for the next term.A. whichB. that

问题补充：

The first thing I should do is to work out a study plan for the next term.

A. which

B. that

C. what

D. if

答案：

A. which

(答案→)B. that

C. what

D. if

解析：句意：我应该做的第一件事情就是作出下个学期的学习计划。定语从句的连接词在下列情况下一般只用that而不用which ：先行词本身是all , everything , something , nothing , anything等不定代词时， 先行词已有序数词或形容词的最高级或the last, the only等作定语时，先行词既有人又有物时。