The car was running _____ (smooth) on the road I failed _____(connect) my computer

The car was running _____ (smooth) on the road I failed _____(connect) my computer 请问这里的upon doing是什么意思?I was already running, and upon reaching the car across the street...upon doing 是一个句型么?谢谢 when was the car invented look out!the car is running ____ you 填什么 he was in the running for Chairman. 英语56.A car was running _______ the bridge while a ship was sailing _____ it56.A car was running _______ the bridge while a ship was sailing _____ itA.above;under B.across;underC.past;through D.over;across 为什么? 几道高一句型转换 1.The red car was seen running towards the western district.The red car was seen running _____ ___ ___of the western district.2.He usully gets pieasure from fishing on weekends.He usully gets ___ ___ ____ ___ fishing on weeke mary was watching the running race.还是mary was watch the running race. 介词短语 1.________________,the three-year-old toddler had learnt to read a book which was meant for a primary one pupil.2._________________,the car had knocked down his son who was running across the road. The dog ___when my friend came in .A was running away B was running out There was a traffic accident on the road.The crowd______towards it.选项：A.are running B.is running C.were running D.was running He was in car number fifteen.为什么car前不加the 英语翻译The woman was running from the wrong person. The woman was running from the wrong person.求翻译 例：1.Seeing my parents waving in the crowd,I went running to them.2.Crossing the road,the old man was knocked over by a car.动词ing形式作时间状语,是不是只能表示过去的事情? the fast-running car k___ the old lady off the road and caused her death. it was the oldest car taking part. What was invented before the car?为什么