定语从句练习(一)1.______isknowntousallisthattheoldscientist,for______lifewashardinthepast,stillworksveryhardinhiseighties.A.is;whomB.What;whomC.It;whoseD.As;whose2.______isknowntoeverybodythatthemoontravelsroundtheearthonceeverymonth.A.ItB.AsC.ThatD.What3.Don’ttrustsuchpeople______praiseyoutoyourfacebutspeakillofyoubehindyourback.A.whoB.WhoeverC.thatD.as4.Whenaskedwhatoriginalintentionwouldleadthemtovolunteer,about______saidtheywere“willingtodosomethingfortheGames.”A.halfofthemB.halfofwhichC.halfofwhomD.halfofwho5.Weliveinanage______moreinformationisavailablewithgreatereasethaneverbefore.A.whyB.whenC.towhomD.onwhich6.Theairqualityinthecity,______isshowninthereport,hasimprovedoverthepasttwomonths.A.thatB.itC.asD.what7.Thescientisthasmadeanotherdiscovery,______Ibelieveisofgreatimportance.A.thatB./C.whichD.why8.Theprojectisbasedonanagreement,oneof______purposesistoensurethattheprojectcanbeaccomplishedbeforethedeadline.A.whoseB.whichC.itsD.what9.Everyonewillgothroughlife’sstagesofupsanddowns,______self-respectplaysakeyroleinthematurity(成熟)ofaperson.A.whenB.whichC.asD.that10.Ifthemanisonlyinterestedinyourlooks,______justshowshowshallowheis.A.asB.whichC.whatD.that11.Shesaysthatshe’llneverforgetthetime______shehasspentworkingasasecretaryinourcompany.A.whichB.whenC.howD.where12.Nowadays,whenpeopletalkaboutmagicians,thefirstone______comesintotheirmindisLiuQian.A.whomB.whichC.thatD.what13.Hetalkedhappilyaboutthemenandbooks______interestedhimgreatlyintheschool.A.whichB.whoC.itD.that14.Therailwaytunnel,through______thetraingoes,willbecompletedsoon.A.whichB.thatC.itD.whom15.Pointingtothehouseon______roofgrewlotsofbush,theoldmantoldmethatthatwas______hewouldstay.A.its;whatB.whose;whatC.whose;whereD.its;where1-5BBDAB6-10CCAAD11-15ACDAC