改为被动 our teachers often give us some advice on our study

teachers must take care of the students改为被动语态 改为被动 our teachers often give us some advice on our study Our teachers ogten make us do homework for 2 hours.(改为被动语态） Our teachers encourage us to study hard at English 怎么样改为被动语态呢? We have made use of all of our time 改为被动句(两种改法都要) We should take good care of our eyes.（改为被动语态） Good care should（）（）of our eyes. This kind of machine ___ well.(sell) Our classroom___ every day.(clean) 改为被动语态 Our teacher often makes us do a lot of homework.（改为被动语态） Our factory doesn't make this kind of bike （改为被动语态） We elected Peter head of our class （改为被动语态） We planted lots of trees in our schoolyard .改为被动语态. teachers allow us to play basketball 改为被动语态 改被动语态.填空题,不知咋做Our teachers ofen give us some advice on our study.(被动句）Some advice ( )often ( ) ( ) ( )by our teachers 修改病句：Here are the results of how do teachers go to work in our class.改为：Here are the results of how do teachers in our class to work 可以吗 Our teachers have a red radio.改为一般疑问句 Those are our teachers怎么改为单数形式急! Our department holds meeting once a month.People speak English in many parts of the world.改为被动语态 must we hand in our exercise books now; can you buy this kind of radio here,改为被动语态