主动语态变被动语态 1. They promised Mary a new doll for her birthday

主动语态变被动语态 1. They promised Mary a new doll for her birthday 把句子改为被动语态..They promised Mary a new doll for her birthday..I 将主动语态改为被动语态.1.They are building a new bridge over the river. 主动语态变被动语态,被动语态变主动语态 主动语态变被动语态My cousin gave me a new comic last weekend. 主动语态变被动语态 1.We found some jewels in a box 2.They will not pa 主动语态变被动1.they have set up a power station in their hometown2 主动语态变被动语态一、 把下列句子变成被动语态：1.They used recorders in English cla 被动语态变主动语态怎么变 主动语态变被动语态练习题 被动语态变主动语态练习题 被动语态怎样变主动语态?