The experiment shows that proper amounts
题型:选择题
问题:
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
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