It’s very difficult to learn English well but you can’t .A. put it upB. take it upC. look

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。