问题
选择题
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
A．being carried out
B．carrying out
C．carried out
D．to carry out
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
A．being carried out
B．carrying out
C．carried out
D．to carry out
答案：C