Theexperimentshowsthatproperamountsofexercise,if
来源:语文精选馆 3.26W
问题详情:
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
【回答】
C
知识点:非谓语动词
题型:选择题