who was sent____(cover)the traffic accident yesterday

who was sent____(cover)the traffic accident yesterday “What was sent ＿(cover) the traffic accdent yesterday?”应该填什么 I saw the traffic accident ____(happen)yesterday The traffic was ______ than yesterday. The passenger was ______ hurt in the traffic accident.(serio There was a traffic accident on the road.The crowd______towa The serious traffic accident was caused by the careless driv Luckily the little boy was a____ after the traffic accident Because of the accident,the road was close to traffic. yesterday,heavier,was,than,traffic,the(.); testerday,traffic The reason is _____I was caught in a traffic accident. ‘It was carelessness that causes the traffic accident’中的caus