把这个句子改为被动语态的同义句~In 1770,people found that they could use the rubber as eraser.

把句子改为被动语态和同义句 把这个句子改为被动语态的同义句~In 1770,people found that they could use the rubber as eraser. 把He can finish the work in two days.改为被动语态和同义句转换 把句子改为被动语态 把这些句子改为被动语态 请把句子改为被动语态! Jim is good at PE.把这个句子改为同义句.注：改为Jim( )( )in PE的形式. 如何把主动语态的句子改为被动语态,希望有例子.（英语） Football piays in most countries of the world这个错误的句子该怎么改为被动语态 Football piays in most countries of the world这个错误的句子该怎么改为被动语态 you must clean your watch once a year的同义句改为被动语态， We must ask Tom to clean his room again. 把这个句子改为被动语态 把这个句子改为被动语态We should listen to the teacher carefully. 把这个句子改为被动语态Our teacher asks us to study hard. 主被动语态“换防”：把主动语态的句子变为被动语态,把被动语态句子改为主动语态.1.the computer was mended by Uncle Wang yesterday.2.You should write the letter in pencil 3.You can look up the word in the dictionary4.M 用被动语态把该句改为同义句We can do something to keep ourselves safe. the farm grows rice in the southern China 改被动语态.RT.the farm grows rice in the southern China 把这句改为被动语态.、、、底下有填空的、Rice _ _ _ the farm in the southern China it make me feel sad被动语态请问这个句子怎么改为被动语态?