【Today,computersareverypopular.Theyare1andtheyareourgoodfriends.Computerscandomanythings2us,sopeople3teachers,doctors,writersandevenstudentsusecomputers4muchwork..Inourfreetime,wecan5computergamesandchatwithfrie】

　　Today,computersareverypopular.Theyare1andtheyareourgoodfriends.Computerscandomanythings2us,sopeople3teachers,doctors,writersandevenstudentsusecomputers4muchwork..Inourfreetime,wecan5computergamesandchatwithfriends6theInternet,Wecandonotallthethings7computers.I8everyoneonewantstohaveacomputer,however,itistoo9forastudenttobuyone.Itcoststoomuch.I10themtobecheap.

　　()1.A.usefulB.beautifulC.heavyD.light()2.A.toB.forC.InD.of()3.A.asB.andC.withD.like()4.A.todoB.doC.doingD.aredoing()5.A.playB.playwithC.toplayD.toplaywith()6.A.inB.toC.onD.with()7.A.useB.withC.withoutD.and()8.A.sureB.amsureC.besureD.issure()9.AcheapB.easyC.expensiveD.hard

　　()10.A.hopeB.thinkC.wishD.make