【简答题】A.Forty or fifty minutes of exercise once a week. B.Twenty or thirty minutes of exercise every day. C.Fif or twenty minutes of exercise five days a week. D.Thirty or forty minutes of exercise thre...
【简答题】A.Forty to fifty minutes of exercise, once a week. B.Twenty to thirty minutes of exercise every day. C.Fif to twenty minutes of exercise, five days a week. D.Thirty to forty minutes of exercise, t...
【简答题】A.Forty or fifty minutes of exercise once a week. B.Twenty or thirty minutes of exercise every day. C.Fif or twenty minutes Of exercise five days a week. D.Thirty or forty minutes of exercise thre...