6、eryoften.我们常谈起那事。被动句:Thematterwasveryoftentalkedabout.这事常被谈起。主动句:Shehastakenmyexercise-booksaway.她已拿走了我练习本。被动句:Myexercise-bookshavebeentakenaway.我的练习本被拿走了。主动句:Youmustturnoffthelightbeforeyougotobed.睡觉之前你们必须关灯。1.We clean the classroom every day.--Theclassroomiscleanedbyuseveryday. 2.I
7、 always borrow CDs from him. –CDsarealwaysborrowedfromhimbyme. 3.The teachers take cake of the children in the kindergarten. –-thechildrenaretokencareofbytheteachersinthekindergarden. 4.Thestudents don't learn chemistry in Junior. --ChemistryisnotlearnedbythestudentsinJunior. 5.Peopl