改为被动语态!急用...1.They build this bridge。2.They found a key in the classroom .3.They are repairing that bike .4.She was painting a picture .5.I will finish my homework tomorrow.6.He would clean the room.会的都答。还有呢。

They cieaned the floor.改为被动语态 They smashed the window.改为被动语态 改写被动语态帮忙把But they found nothing.改为被动语态. 被动语态改为主动语态 1.They do not make this kind of watches in Beijing.改为被动语态 They saw Tom coming into the shop.改为被动语态 They didn't tell tom the truth.改为被动语态 When did they invent the plane?改为被动语态. must they finish the work todsay?改为被动语态 They must repair the computer now(改为被动语态) How often did they watch the football 改为被动语态 They must repair the computer now(改为被动语态) they should do it.at once改为被动语态 They have read these comic books.(改为被动语态） They made the machines in1980（改为被动语态） They have repaired many chairs today.怎么改为被动语态 they speak English in class.（改为被动语态） They played games yesterday.改为被动语态怎么改?