问题
选择题
It is said that ______ regularly is good for us, for we can know whether we are healthy or not. [ ]
A. examined
B. examining
C. being examined
D. having examined
答案
答案:C
It is said that ______ regularly is good for us, for we can know whether we are healthy or not. [ ]
A. examined
B. examining
C. being examined
D. having examined
答案:C