Someone __me while I____in the street A.called,was walking B

Someone __me while I____in the street A.called,was walking B I was walking in the street when someone called me对was walki I was walking in the street _____someone called While I was walking down the street,I saw a cat in the tree One day,when I was walking in the street,someone dropped a p while i was walking along the street last night,i heard a __ a car n____ hit me while i was walking across the street 这个 状语从句I saw a UFO while i was walking down the street yesterda While I was walking on the street I _(meet) a friend of mine 英语翻译while the boy was walking down the down the street the U while the boy was walking down the street,the UFO landed （while the boy was walking down the street）,the UFO landed 对