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

When the UFO ___(起飞),the man was riding the bike. 英语翻译the boy was walking the street when the UFO landed(对was walking the street 提问）___ ___ the boy ___ when the UFO landed david was in the barber`s when the ufo arrived 对划线部分提问 ___ ___david when the ufo arrived? 时态填空：When the teacher ___ (fly) in the sky,he ___ (see) a UFO. when the UFO arrived, I was in the library.was in the library画横线部分提问___ ____ you when the UFO arrived? We ------ (sleep)when the UFO -----(arrive) 1.The old man is ____ ____(恼火) his son.2.I did ____ ____(更好) maths than English .3.When the UFO ____ ____ (起飞),the man was riding the bike. the reporter said that the UFO ___ east to west when he saw it.A.was traveling B.traveled 为何不能选择B? what was the girl doing when the ufo took on? When the boy (shop),he saw the UFO (take off) they saw a ufo flying in the sky改为被动句a ufo ___ ___ ___ inthe sky 那架飞机起飞不久就坠毁了.The plane ___ shortly after it ___ ___. ___ the way,I saw a UFO yesterday. what were you doing when the UFO arrived? unit 3 what were you doing when the ufo arrived? What were they doing when the UFO l_____? he were sleeping when the UFO arrived.为什么用were So what were you doing when the UFO (到达)?