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It’stimeforclass.It’sonherdesk.ItisMissQiwhoisrathercareless.Itisveryimportantformetobeacarefulperson..carefulperson.-Whatdoyouthinkofthemovie?-It’soneofthebestmoviesthatI’veseen.Who’sthelovelybaby?MyfatherisMr.Black.It’sMr.Black’s.Itcanbeusedaspersonalpronouns,referringtotheperson,animalormattermentionedabove,orthepersonwhoyouarenotsureofgender.summary1____wasasunnyday.Peterdecidedtogoforawalktothepark,though_____wastwomilesaway.___wassocomfortabletowalkonthestreet.itItItSuddenly___begantorain.Hefound__hardtowalkthere.Thenhetookabushome.Unfortunately___wentwrong.Whenhegothome,hewaswetthrough.Thus___wasadaythathewouldneverforget.ititititEg:Itwasasunnyday.Peterdecidedtogoforawalktothepark,thoughitwastwomilesaway.Summary2Itcanbeusedasimpersonalpronounstotalkabouttime,date,distanceorweatherandsoon.it常用在以下句型中：意思是“自从……以来已有一段时间”。Itis＋时间段＋since＋主语＋did-Whatwasthepartylike？-Wonderful！It'sbeenyears____Ienjoyedmyselfsomuch．A．afterB．whenC．beforeD．since√1.Itwassocomfortabletowalkonthestreet.2.Itseemsthatnobodywillvoteforhim.3.Hefoundithardtowalkthere.Summary3“It”canbeusedinthesubjectorobjectpositiontostandfortheinfinitiveoraclause.Preparatorysubjectadj.difficult/easy/necessary/importantn.pleasure/pity/shame/funv.Itis/wasItis/was(a/an)Itappearsseemslookscertainissaidthat…Preparatoryobjectv.Sb.+thinkmakeitfind+adj.todo…+that…Tohavesuchamagichouseispleasant.It’spleasanttohavesuchamagichouse.Whetherwewillgototheoceanariumhasnotbeendecided.Ithasnotbeendecidedwhetherwewillgototheoceanarium.Jointhetwosentencesbyusing“it”asobject.JanethinksitfunnythatIhavetakenupChinesekungfu.IhavetakenupChinesekungfu.Janethinksitisfunny.OprahWinfreymakestotalkaboutgreatmomentsanddifficultiesinpeople’slivespossible..itpossibleTheuseof“it”foremphasis可被强调的部分除谓语之外的句子各成分。基本句子结构Itis/was＋被强调部分＋that/who/whom+其它。备注is既可强调现在的情况，也可强调过去的情况。Summary4WecalledonProfessorWangathisofficethismorning.weProfessorWangEg:Itwaswewho/thatcalledonProfessorWangathisofficethismorning.ItwasProfessorWangwhom/that/whowecalledonathisofficethismorning.WecalledonProfessorWangathisofficethismorning.athisofficethismorningItwasathisofficethatwecalledonProfessorWangthismorning.ItwasthismorningthatwecalledonProfessorWangathisoffice.“It”试题解析1.TheParkersboughtanewhousebut_____willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.which“It”试题解析2.Tom’smotherkepttellinghimthatheshouldworkharder,but____didn’thelp.A.heB.whichC.sheD.it“It”试题解析3.Theweatherturnedouttobeverygood,___wasmorethanwecouldexpect.A.whatB.whichC.thatD.it4.Doyouhaveenoughglassesforeachguesttohave_________?A.itB.themC.thatD.one“It”试题解析√5.Whydon’twetakealittlebreak?Didn’twejusthave__________?A.itB.thatC.oneD.this√“It”试题解析6.-Hewasnearlydrownedonce.-Whenwas_________?-____wasin1998whenhewasinmiddleschool.A.that;ItB.this;ThisC.this;ItD.that;this7.Itwasnotuntil1920______regularradiobroadcastsbegan.A.whileB.whichC.thatD.since“It”试题解析7.Itwasnotuntil1920______regularradiobroadcastsbegan.A.whileB.whichC.thatD.sinceRegularradiobroadcastsdidn’tbeginuntil1920.“It”试题解析√8.Coulditbeintherestaurantin_____youhaddinnerwithmeyesterday_________youleftbehindyourkeysandwallet?A.that,whichB.which,thatC.where,thatD.that,where“It”试题解析Itcouldbeintherestaurantin_______youhaddinnerwithmeyesterday_____youleftbehindyourkeysandwallet.“It”试题解析therestaurant(in_______youhaddinnerwithmeyesterday)whichintherestaurantwhichItcouldbeintherestaurantin_______youhaddinnerwithmeyesterday_________youleftbehindyourkeysandwallet.高考试题解析therestaurant(in_______youhaddinnerwithmeyesterday)whichintherestaurantthat8.Coulditbeintherestaurantin_____youhaddinnerwithmeyesterday_____youleftbehindyourkeysandwallet?A.that,whichB.which,thatC.where,thatD.that,where“It”试题解析√