they haven't used this machine for ages .................................................................... they will return those books to the library tomorrow ............................................................................................ you ought to repaint the walls ................................................................. people can make pay ment at any post office .............................................................................. they are going to build a new supermarket next year ........................................................................................ we most do something for these poor men .......................................................................... i will translate this letter into english .................................................................... i have told her about it ................................................... my sister cleans the room everday ................................................................. we have invited all the students to the meeting ...................................................................................... they sing that new song everywhere ........................................................................ they postrd the letters yesterday ............................................................... they don't use this house very often ..................................................................... đề là chuyển câu chủ động sang câu bị đông