连词成句while,took,we,down,weren,off,walking,the UFO,the street请快一点,到2008年10月19日下午8:00以后就不用了

问题描述:

连词成句while,took,we,down,weren,off,walking,the UFO,the street
请快一点,到2008年10月19日下午8:00以后就不用了

The UFO took off while we were walking down the street

The UFO took off while we were walking down the street.