英语 主动改为被动、主动改为被动1.Did they build a bridge here two years ago?_______ a bridge ______ they by them two years ago?

英语 将主动语态改为被动语态 被动语态改为主动语态 德语把主动语态改为被动语态 如何将主动语态改为被动语态? 主动语态改为被动语态的讲解 英语 主动改为被动、主动改为被动1.Did they build a bridge here two years ago?_______ a bridge ______ they by them two years ago? 英语：主动变被动,被动变主动. 英语,主动改被动 英语主动转被动 They have finished their work主动句改为被动句 She cleaned our classroom yesterday主动句改为被动句 We read English every day 主动句改为被动句 Can she finish her homework today?主动改为被动 被动语态改为主动语态...有什么窍门么? 如何把主动语态的句子改为被动语态,希望有例子.（英语） 英语被动句改为主动句Enough has been done to save the sick boy. 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 英语句子转换!被动语态改为主动语态的,Is you homework often done by you at home 改为主动语态Your wallet has been found by a little boy already .改为主动语态