求英语答案最好写下原因哦
1.Iwouldliketoknowhowlong____ChinesebeforeyoucametoChina.
A.haveyoustudiedB.youhavestudied
C.hadyoustudiedD.youhadstudied
2.It'sgoingtorain.It____gooutandwatchTVathome.
A.isbetternottoB.hadbetternot
C.isn'tbettertoD.hadbetternotto
21.How____aswimintheriverafteradayofhardworkinsummer!
A.nineisittohaveB.niceitistohave
C.itisnicetohaveD.nicetohaveitis
22.Icanstillremember____toNanjingwhenIwasonlya_____boy.
A.taking,fiveyearsoldB.totake,fiveyears'
C.beingtaken,five-year-oldD.taken,five-years-old
23.Thespeed____lighttravelsisabout300,000kilometerspersecond.
A.whichB.atwhichC.thatD.withthat
24.Heknewshewaswrong,buthe____tellher.
A.doesn'tdareB.doesn'tdaretoC.darenottoD.darednot
25.Somepeopleareagainsttheplan,but_____supportit.
A.manymoreB.muchmoreC.anymoreD.nomore
26._____youhavegotachanceyoumightaswellmakefulluseofit.
A.AfterB.AssoonasC.NowthatD.Although
27.Iearn5dollars____houras_____supermarketcashieronSundays.
A.a,anB.the,aC.an,aD.an,the
28.--There'scoffeeandtea:youcanhave____.
---Thanks.
A.eitherB.eachC.oneD.it
29.Ifyouwere____.I'msurethatyouwouldmake_____mistakesinthetest.
A.morecareful,lessB.morecarefully,more
C.morecareful,fewerD.morecarefully,less
30.ThelittlegirlbegantolearnEnlish_____theageoffour.
A.inB.atC.forD.to
31.We'regoingtothetheatreinJohn'scar.Youcancomewithus____youcanmeetustherelater.
A.butB.andC.orD.then
32._____isawell-knowscientist.
A.ThisJack'soldfriendB.ThatJack'soldfriend
C.ThisoldfriendofJackD.ThisoldfriendofJack's
33.Theteacheraskedus_____somuchnoise.
A.don'tmakeB.notmakeC.notmakingD.nottomake
34.Doyouknowif_____backnextweek?Ifhe______back,pleaseletmeknow.
A.hecomes,willcomeB.willh