改为被动语态2You must take good care of the children3when did you hear her sing this song

改为被动语态2You must take good care of the children3when did you hear her sing this song 改为被动语态You must take good care of the children you must take good care of the computer.改为被动语态怎么改? teachers must take care of the students改为被动语态 You must take good care of your books被动语态 You must clean the house now 改为被动语态 You must correct your mistakes.改为被动语态 We must take good care of young trees.改为被动语态 You must obey the school rules.(改为被动语态） The school rules must ______ . You must finish the homework before 5 o'clock 改为被动语态另外 怎么改被动语态 You must do it now.(改为被动语态）It ________ _______ _______ by you now. You must not take the books out of the library.帮我改成被动语态.. you must hand in your homework now 改为被动语态1 you must hand in your homework now 2 i bought the car last year you must hand in your homework on time 改为被动语态 You must finish the work at the end of the week.（改为被动语态） You must finish the article before next year改为被动语态 You must fill the tank with suitable water 改为被动语态 1.jack can speak english 2.you must finish your homework at first改为被动语态