英语改错On my way ti home yesterday afternoon.I happen ed to wit

英语改错
On my way ti home yesterday afternoon.I happen ed to witness atraffic accident .when old woman was crossing the road.she was knocked down by a boy riding bike .the boy was frighted that he stood still at the scene but didn't know what to do .I quickly went up and saw the old woman lie on the grund, making crying beacause of pain .I stopped a taxi and told the driver that had happened. The driver drove them to the nearest hospital at once. To our relieve we were told that the old woman wasnn't injured seriously after she was examined carefuuly ,The boy was deep grateful for our help