问题补充:
It’s very difficult to learn English well, but you can’t .
A. put it up
B. take it up
C. look it up
D. give it up
答案:
A. put it up
B. take it up
C. look it up
(答案→)D. give it up
解析:考查短语辨析。句意“学好英语很困难,但是你不能放弃。”put up“举起,搭建”;take up“占据,从事”;look up“查找”;give up“放弃”。故选D。