—Mr. Smith has decided to his bad habit of smoking.—That’s good news. I hope he can do i

问题补充：

—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

答案：

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。