问题
选择题
In order to go to a key university, I must______my study from now on.
A．consist of
B．get away from
C．concentrate on
D．come up with
答案
答案：C
题目分析：此处consist of组成；get away from脱离； concentrate on集中精力于……； come up with提出。句意：为了上重点大学，我必须从现在开始集中精力于学习。根据句意选C。