问题
选择题
In order to continue to learn by ourselves when we have left school, we must ______ learn how to study in the school now.
A．in all
B．after all
C．above all
D．at all
答案
答案：C
题目分析：本题的四个选项都是all有关的短语。A总共，共计；B终究，毕竟；C首先，最重要的是；D根本，全然（常常和否定词连用）。句义：为了在毕业以后能够自学，首先在学校里我们要学会如何学习。根据句义说明C正确。