It stimeforclass It sonherdesk ItisMissQiwhoisrathercareless Itisveryimportantformetobeacarefulperson carefulperson Theuseof It Whatdoyouthinkofthemovie It soneofthebestmoviesthatI veseen Who sthelovelybaby MyfatherisMr Black It sMr Black s Itcanbeusedaspersonalpronouns referringtotheperson animalormattermentionedabove orthepersonwhoyouarenotsureofgender summary1 wasasunnyday Peterdecidedtogoforawalktothepark though wastwomilesaway wassocomfortabletowalkonthestreet it It It Suddenly begantorain Hefound hardtowalkthere Thenhetookabushome Unfortunately wentwrong Whenhegothome hewaswetthrough Thus wasadaythathewouldneverforget it it it it Eg Itwasasunnyday Peterdecidedtogoforawalktothepark thoughitwastwomilesaway Summary2 Itcanbeusedasimpersonalpronounstotalkabouttime 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 Itseemsthatnobodywillvoteforhim 3 Hefoundithardtowalkthere Summary3 It canbeusedinthesubjectorobjectpositiontostandfortheinfinitiveoraclause Preparatorysubject adj difficult easy necessary important n pleasure pity shame fun v Itis was Itis was a an It appearsseemslookscertainissaid that Preparatoryobject v Sb thinkmakeitfind adj todo that Tohavesuchamagichouseispleasant It spleasanttohavesuchamagichouse Whetherwewillgototheoceanariumhasnotbeendecided Ithasnotbeendecidedwhetherwewillgototheoceanarium Jointhetwosentencesbyusing it asobject JanethinksitfunnythatIhavetakenupChinesekungfu IhavetakenupChinesekungfu Janethinksitisfunny OprahWinfreymakestotalkaboutgreatmomentsanddifficultiesinpeople slivespossible itpossible Summary4 Eg Itwaswewho thatcalledonProfessorWangathisofficethismorning ItwasProfessorWangwhom that whowecalledonathisofficethismorning ItwasathisofficethatwecalledonProfessorWangthismorning 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 it 4 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 this 7 Itwasnotuntil1920 regularradiobroadcastsbegan A whileB whichC thatD since It 试题解析 7 Itwasnotuntil1920 regularradiobroadcastsbegan A whileB whichC thatD since Regularradiobroadcastsdidn 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 which intherestaurant which Itcouldbeintherestaurantin youhaddinnerwithmeyesterday youleftbehindyourkeysandwallet 高考试题解析 therestaurant in youhaddinnerwithmeyesterday which intherestaurant that 8 Coulditbeintherestaurantin youhaddinnerwithmeyesterday youleftbehindyourkeysandwallet A that whichB which thatC where thatD that where It 试题解析 Ifyouwantknowledge youmusttoilforit 要想求知 就得吃苦