In some cases,your instructor may tell you the topics______or may give you a choice of topics to

题目

In some cases,your instructor may tell you the topics______or may give you a choice of topics to
write about.
A.in advance.B.above all.为什么不能选择above all,above all有表示首先的意思,答案选的是A

答案

in advance 是 提前 的意思 ,是说 为了以防万一,——可能提前告诉你——,显然比“首先,总体上”更合逻辑