ususllymyfatherdrives70()perhouronhighway.anelephantcanbe400()talland10()thegreatbasketballplayer,YaoMingis2.23()tall词:cm,m,km,ton。
Ususllymyfatherdrives70(km)perhouronhighway.Anelephantcanbe400(cm)talland10(ton)Thegreatbasketballplayer,YaoMingis2.23(m)tall