The serious traffic accident was caused by the careless driving.有语法错误吗?

The passenger was ______ hurt in the traffic accident.(serious) The serious traffic accident was caused by the careless driving.有语法错误吗? In the past few years,traffic problems(become)___more and more serious.为什么用have become, This traffic accident had serious c(). 33.In the past few years,traffic problems (become) ________ more and more serious.填were becoming 为什么不能用having caused?The heavy snow lasted for a week,causing a serious traffic confusion in the whole area. After the serious accident,many complaints about the traffic lights 空.A.poured out B.poured in C.poured into D.poured out of nowadays,it is hard to imagine how often you are a victim of traffic jam.as is shown in the pictureHow busy the traffic is.The busy traffic makes our road become smaller.therefore,it is easy to know that the busy traffic is a serious problem.there ar Her uncle was ＿(serious) hurt in a traffic accident. They got away with having caused the serious traffic accident.他们造成了严重的交通事故却没受惩罚.having caused 是什么用法? the traffic lights还是the traffic light Remember the traffic solve the traffic啥意 the traffic lights ( )the traffic lights The traffic is jam. The traffic is jam. The problems are very serious.