When the UFO ___(起飞),the man was riding the bike.

When the UFO ___(起飞),the man was riding the bike. The young man who was riding a bike was so careless that he The man was riding very fast. I am going bike riding ___ the countryside. I was riding a bike when the accrdent nappenea(提问)＿＿＿ ＿＿＿you david was in the barber`s when the ufo arrived 对划线部分提问 ___ _ He fell of the bike while riding还是while he was riding?是不是都对? 1 the man was _____ hurt when his bike hit the car A bad B b 1 the man was _____ hurt when his bike hit the car I was sleeping when the UFO arrived what was the girl doing when the ufo took on? when the UFO arrived, I was in the library.