问题
选择题
There are many ways in which you can improve your study. But __________, you should work hard.
A．after all
B．above all
C．for all
D．in all
答案
答案：B
词组辨析:after all毕竟above all最重要的是 for all尽管，虽然in all总共，根据句意：有很多方式可以提高英语，但最重要的是,你应该努力学习。