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
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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