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“it”的用法1.Insummer_________hotterinShanghaithaninBeijing.A.itisB.itwereC.thereisD.thisis2.Wasitin1969_______theAmericanastronautsucceeded_______landingonthemoon?A.when;onB.that;onC.when;inD.that;in3.Was_______thatIsawlastnightattheconcert?A.ityouB.notyouC.youD.thatyourself4.Thereisaphotoonthewall.________aphotoofMarx.A.ItB.It'sC.ItsD.He's5.Theteacherkepttellinghimthatheshouldworkharder,but__________didn'thelp.A.itB.heC.whichD.she6.Is______possibletoflytothemooninaspaceship?A.thisB.manC.thatD.it7.Hefelt_____hisdutytohelpthepoor.A.it'sB.itsC.thatD.it8.It______MikeandMarywhohelpedtheoldmanseveraldaysago.A.wasB.areC.wereD.hadbeen9.Howlong______tofinishthework?A.you’lltakeB.willtakeyouC.you'lltakeitD.willittakeyou10.ItwasthroughJack______MarygottoknowBob.A.whoB.whomC.howD.that11.Itwas______Iwentthere_______Ibegantoknowsomethingaboutthematter.A.until;whenB.until;thatC.notuntil;thatD.notwhen;that12._________inthecitythatIsawyourfriendyesterday.A.ThisisB.ThatisC.ThereisD.Itis13.________thathehasgoneabroad.A.HeissaidB.ItissaidC.ItwassaidD.Itsays14._________truethatyoumetPremierZhouonce?A.WereitB.WasitC.IsitD.Isthere15.Itwas_______lateintheeveningthatherhusbandarrivedhome.A.afterB.whenC.tillD.notuntil16.Does_____matterifhecan'tfinishthejobontime?A.thisB.thatC.heD.it17.Myspellingbookismissing.Ican'trememberwhereIput________.A.itB.thisC.thatD.them18.-Who'sknockingatthedoor?-_________.A.I'mJohnB.JohnismeC.JohnisthemanD.It'sJohn19.-Whatdateisittoday?-_______istheeighthofMarchtoday.A.ThedateB.TherC.TodayD.It20.Itis______who______wrong.A.me;meB.me;isC.I;amD.I;is