Students should be careful when they across this heavy traffic road....

题目

Students should be careful when they across this heavy traffic road....
接上面题目.If not,someone may _____run over by a car.
A.have B.become C.turn D.get 首先,然后,run 最后,为什么选D?

答案

学生们要小心当他们穿过这一条交通拥堵的道路时.如果不（小心）的话,某个学生可能会被车撞到一边.
run over或get run over都是被车碾过的意思（实际上就是被车撞）
为什么选D,理由如上.是一个词组~