—Mr. Smith has decided to his bad habit of smoking.
—That’s good news. I hope he can do it.
A. set up
B. clean up
C. give up
D. save up
网友回答
A. set up
B. clean up
(答案→)C. give up
D. save up
解析：此题重点考查四个短语的区别。Set up表示搭建，clean up表示清扫，give up表示放弃，save up表示存储；根据语境可知选择C。表示放弃或戒掉。