Theexperimentshowsthatproperamountsofexercise,if
来源:语文精选馆 2.51W
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