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.carried out
C.carrying out
D.to carry out
The experiment shows that proper amounts of exercise, if _______ regularly, can improve our health.
A.being carried out
B.carried out
C.carrying out
D.to carry out