改为被动语态：We must do the work right now

改为被动语态：We must do the work right now we do it 改为为被动语态 we must do something to improve our english改为被动语态 We must water these young trees ofen.(改为被动语态) She must do her homework erery day 改为被动语态 I must do my homework.改为被动语态. We must do something to help her被动语态 We must do homework every day被动语态 we must do something to improve our english改为被动语we must do something to improve our english改为被动语态____ _____ ____ ______ to improve our english Must we hand in the examination papers now 改为被动句顺便问下怎么将问句改为被动语态 We must ask Tom to clean his room again. 把这个句子改为被动语态 We must water these plants three times a week（改为被动语态） We must take good care of young trees.改为被动语态 We must clean our teeth twice a day.改为被动语态 1.We must water these young trees ofen,(改为被动语态). We must protect our earth well.（改为被动语态） Our earth must___ ___by us well. We must to something to stop the serious nuclear radiation from japan改为被动语态 改为被动语态：we must pay attention to our pronunciation to speak English well.用两种方式