Accidents Sam fell off his bike ride骑、乘骑、乘went for a bike ride happen happened 发生发生Sam fell off his bike . fell off fell off fell off fell off fell off his bike watermelon bought bought a watermelon thirsty口渴的口渴的CarriedCarried the watermelonbump bumped 碰碰、磕磕1.Who went for a bike ride?2.Who fell off his bike ?3.Whom did the watermelon bump? What happened to your head, Daming?Oh, Sam and I went for a bike ride yesterday.And then?And then we were hungry and thirstySo?.So, we bought a watermelonAnd then?Sam, carried the watermelon on the bike.And .Then Sam fell off his bike!And the watermelon bumped my head!Ha, ha, ha.1、What your head, Daming? 2.Oh, San and I _ ride yesterday .3.And then we were _and _. 4.Then Sam his bike!happened towent for a bikehungrythirstyfell off