The experiment shows that proper amounts of exercise ,if ___
The experiment shows that proper amounts of exercise ,if _____regularly ,can imorove our health A being carried out B carried out 可是AB 不都是表示被动么 它俩的区别在哪啊 而且being .不是表示一直么? 只有坚持锻炼才能有好身体啊~ 这是我的个人意见.很明显是错的