问题
选择题
It has been proved that taking exercise ________ does good to one’s health.
A．mostly
B．formally
C．regularly
D．publicly
答案
答案：C
本题考查副词。mostly主要地; formally正式地; regularly有规律地；publicly公开地。根据句意：已经证明有规律地运动对健康有益。故选C。
