】几道关于分词做定语,表语和状语等的选择题!最好能帮我解释一下为什么这项可以!1.Itwassocoldthathekeptthefire()allnight.A.toburnB.burnC.burningD.burned2.She'supstairs()lettersA.writesB.iswritingC

　　】几道关于分词做定语,表语和状语等的选择题!

　　最好能帮我解释一下为什么这项可以!

　　1.Itwassocoldthathekeptthefire()allnight.

　　A.toburnB.burnC.burningD.burned

　　2.She'supstairs()letters

　　A.writesB.iswritingC.writeD.writing

　　3."Can'tyouread?"Marysaid()tothenotice.

　　A.angrilypointingB.andpointangrily

　　C.angrilypointedD.andangrilypointing

　　4.Thisisoneofthebooks()byhimnow.

　　A.tobewrittenB.beingwritten

　　C.havingbeenwrittenD.isbeenwritten

　　5.()anythingabouttheaccident,hewenttoworkasusual.

　　A.NotknownB.KnownnotC.KnowingnotD.Notknowing

　　6.()achild,Elizabethenjoyedstudyingartandmusic.

　　A.ShewasB.WhenwanC.WhenbeingD.Being