想要更多的了解定语从句，需要多做练习题，下面是小编分享给大家的高中定语从句练习题，希望对大家有帮助。

　　1.Don’ttalkaboutsuchthingsof__________youarenotsure.

　　A.which

　　B.what

　　C.as

　　D.those

　　2.Isthisthefactory__________youvisitedtheotherday?

　　A.that

　　B.where

　　C.inwhich

　　D.theone

　　3.Isthisfactory__________someforeignfriendsvisitedlastFriday?

　　A.that

　　B.where

　　C.which

　　D.theone

　　4.Isthisthefactory__________heworkedtenyearsago?

　　A.that

　　B.where

　　C.which

　　D.theone

　　5.Thewolveshidthemselvesintheplaces__________couldn’tbefound.

　　A.that

　　B.where

　　C.inwhich

　　D.inthat

　　6.Thefreezingpointisthetemperature__________waterchangesintoice.

　　A.atwhich

　　B.onthat

　　C.inwhich

　　D.ofwhat

　　7.Thisbookwillshowyou__________canbeusedinothercontexts..

　　A.howyouhaveobserved

　　B.whatyouhaveobserved

　　C.thatyouhaveobserved

　　D.howthatyouhaveobserved

　　8.Thereasonis__________heisunabletooperatethemachine.

　　A.because

　　B.why

　　C.that

　　D.whether

　　9.I’lltellyou__________hetoldmelastweek.

　　A.allwhich

　　B.that

　　C.allthat

　　D.which

　　10.Thattree,__________branchesarealmostbare,isveryold.

　　A.whose

　　B.ofwhich

　　C.inwhich

　　D.onwhich

　　11.Ihaveboughtthesamedress__________sheiswearing.

　　A.as

　　B.that

　　C.which

　　D.what

　　12.Hefailedintheexamination,__________madehisfatherveryangry.

　　A.which

　　B.it

　　C.that

　　D.what

　　13.We’retalkingaboutthepianoandthepianist__________wereintheconcertweattendedlastnight.