the traffic was heavy.heavy为什么不能是busy

yesterday,heavier,was,than,traffic,the(.); testerday,traffic,was,heavier,than,the,morning(.) The passenger was ______ hurt in the traffic accident.(serious) I was late because of the traffic jam对because of the traffic jam画线 Tina was s____ injured in the traffic accident I WAS LUCKY TO MISS THE TRAFFIC ACCIDENT 句子成分 i was held up by the traffic jam. the traffic was heavy.heavy为什么不能是busy It was carelessness that c__ the traffic accident. The___(move)of the traffic was very slow who was sent____(cover)the traffic accident yesterday The reason why he was late was that he was held up in the traffic jam. The reason why he was late was that he was held up in the traffic jam. I heard that the traffic there was terrible.是不是 听说 都用过去式?为啥用was? He was late because the traffic was bad (改为简单句) there was lots of traffic on the city road at the beginning.同义句.there was lots of traffic on the city road()()(). the girl was walking along the street( )of the traffic accident空里填啥? The traffic was too busy.So they were late 同义句转换The traffic was too busy.——they were late 我被堵车给困在路上了可以这么说吗 i was caught in the traffic jam .i was stuck in the traffic jam