He was speeding along at about sevety kilometers an hour when he began to lose control of his bike英语卷上的

He was speeding along at about sevety kilometers an hour when he began to lose control of his bike英语卷上的
He was speeding along at about sevety kilometers an hour when he began to lose control of his bike
英语卷上的

He was speeding along at about sevety kilometers an hour when he began to lose control of his bike英语卷上的
当他的自行车失控时,速度达到70公里每小时.