问题补充：
Smoking is bad for your dad’s health. You’d better ask him to .
A. give up it
B. give it up
C. take out it
D. take it out
答案：
A. give up it
(答案→)B. give it up
C. take out it
D. take it out
解析：本题根据动词的词组的含义和具体的语境，选择give up 表示放弃的意思，同时，give up为动词+副词的结构，故其后宾语为人称代词宾格形式时要位于二者之间，故选B
