我看到一辆车开的非常快,有一个包从上面掉了下来.
I saw a car driving very fastly and a bag fell off it.
他正在回家.他跌倒了.
He is going home. He fell down.
他们在打电话给医院,医生送他去了医院.
They were calling the hospital and the doctor sent him to the hospital.