I saw an accideng_____i was walking in the street.

While I was walking down the street,I saw a cat in the tree When I was walking in the street yesterday, I saw a UFO ____ when i was walking in the street i saw him quarr When I was walking in the street ,I saw a plane _____over my When I was walking in the street,I saw a plane _______over m _ I was walking in the street,I met an old friend of mine. 英语在线选择填空（）1.When I was walking in the street , I saw a plane ___i was walking in the street,i met an old friend of mine I happended______my teacher when I was walking in the street 英语翻译I was walking down the street one day Then I saw you I d I________ see him when I was walking in the street. I was walking in the street _____someone called