帮我做一下英语完型填空题,attheopeningceremonyoftheBeijingOlympics,about897dancers(1)andactedasprintingblocks.Thatwasto(2)oneofthefourgreatestinventionsofancientchina-printing.(3)printingwasinvented,allwriting

　　帮我做一下英语完型填空题,

　　attheopeningceremonyoftheBeijingOlympics,about897dancers(1)andactedasprintingblocks.Thatwasto(2)oneofthefourgreatestinventionsofancientchina-printing.

　　(3)printingwasinvented,allwritingwasdonebyhand.Whenpeople(4)acopyofabook,theyhadpay(5)tocopyitoutforthembyhand.Thismadebooksveryexpensiveandonlythe(6)peoplecouldhavethem.

　　TheninTangDynastyChina,aboutAD650,peoplecarvedwoodenblocks(7)apageoftext,theninkedit.whenthey(8)apaperontheblock,theycouldprintapage.Theoldestprintedscroll(9)northwestchinainAD700.

　　AroundtheAD1000's,amannamedBiShenginchina(10)amoreflexiblesystemofprinting.hecarvedeachchinesecharacterseparatelyonsmallclayblocks.Heputthemtogetherto(11)wordsandsentences.Thesameblockscouldbe(12)againtomakemanydifferenttexts.

　　About500yearslater,peopleall(13)EuropeandAsiabegantousemoveabletypemadeoutofmetal.(14)inEuropemighthaveseenChineseblockprintingthroughtradeacrossWestAsia.They(15)theideaofmoveabletypeontheirown.

　　1.AputonBdressedCwore

　　2.AkeepBtellCshow

　　3.ABeforeBWhenCAfter

　　4.AreadBneededCbought

　　5.AanyoneBeveryoneCsomeone

　　6.ApoorestBrichestColdest

　　7.AofBonCwith

　　8.ApressedBputCbrought

　　9.AliesinBcomesfromClivesin

　　10.AfoundB.metCinvented

　　11.AmakeBpronouneCtranslate

　　12AtakenBusedCseen

　　13.AbetweenBthroughCacross

　　14.AStudentsBPrintersC.Teachers

　　15.AthoughtofBcaughtupwithCcameupwith

　　我不知道到底那个是对的呀，书上的答案是CABAB,BCACB,ABBAC.我感觉不对，我很着急