when he saw it happening,he called the police.这里的为什么用happeni

when he saw it happening,he called the police.这里的为什么用happeni he called the police when he saw the accident,_____his mobil the man ran ( )when he saw the police He was about to rob the bank when he saw a police-car coming The bady stopped crying when he saw his mother为什么这里不用was sto he was about to leave when someone called him 为什么这里的leave不需要 The man called police when he learnt what the parents were p did the owner of the car call the police at once when he saw 英语翻译when the thief saw the police he ___ ___at once He saw the bag when his bike hit it.() The man saw it __ when he was walking past. he saw it ___when he was walking past A happening B happen