they knocked the old man down and roobed him —— his cell phone.A for B from C to D of选什么,为什么选这个?

they knocked the old man down and roobed him —— his cell phone.A for B from C to D of选什么,为什么选这个? The old lady was knocked down by a car when she walked on the street.翻译 The bike knocked the old man down,______his left leg 为什么答案是 injuring ,而不是injured one day ,a little boy selling magazines knocked at the old man's door One evening,three old men came to a house and knocked at the door.The hostess(女主人) opened the door.31 she didn’t know them,she asked them to 32 and have something to eat because she thought they must be 33 .To the woman’s surprise,they were the old man was knocked down by a taxi when he was crossing the street请问这句用了哪些语法? I knocked several times __________ an old man answered the door.A.asB.whenC.while D.before they have pulled down the old building. They are for the old .快 they sold the old house yesterday who saw an old man ______by a taxia knock downb knocking downc knocked down d to be knocked down选哪个the police are looking for anybody who saw an old man ______by a taxi 是knocked at the door还是knocked on the door Knocked 被动句改为主动句the door was knocked at while they were talking in the room改为主动句 I knocked the teapot over .. they_____ knocked heads when they stood up They think they can help the old people 同义 With his attention -------on the shops along the roadside,he knocked an old man down while ridin横线处为什么不用Ing形式 用ed