After the robbery, the police arrived at ______scene in ____

Nobody believed the robbery happened_____the police appeared A traffic accident happened in the street.The police arrived I arrived at the station ____. After the long journey ,Marco polo arrived in BeiJing at las 这个英语单选怎么回事4.The police arrived,after _____ the situation bec When the police arrived at the scene,the victim was already_ After 20 minites he arrived at the airport I arrived at the airport ________(after/while/when/before)) 7.____ the time the police arrived,more than 300 people were The police---after the criminal The victim's nose was ___(bleed) when the police arrived at I arrived ____ the office at seven thirty this morning.