Leo's English is poor, but he __________ to improve it by spending moretime on it.

1.Ifyou_________(go)tothelecturelastSaturday,you__________(benefit)alotfromit. 2.IfI___________(run)outofink,Iwouldhavefinishedwritingthepaper. 3.________forthetimelyinvestmentfromthegeneralpublic,ourcompanywouldnotbesothrivingasitis. A.HaditnotbeenB.WereitnotC.BeitnotD.Shoulditnotbe 4.___________methemoneyformytuitionthen,Iwouldbeworkingonthefarmnow. A.Shouldn’tmyunclelendB.Hadmyunclenotlent C.WouldmyunclelendD.Ifmyunclenotlent 5._________thefog,weshouldhavereachedourdestination. A.BecauseofB.InspiteofC.IncaseofD.Butfor 6.Itisimportantthatthecommittee________(inform)abouttheprojectatonce. 7.Thecommitteemembersproposethattheplan___________postponedforafewdays. A.tobeB.beC.beingD.been 8.Iwishourteacher________(go)togiveanothertest.Ihaven’tgotpreparedyet. 9.Ifonlythecommittee_______(approve)theregulationsandputthemintoeffectassoonaspossible. 10.It’shightimeyou__________(start,work) 11.Frankly,I’dratheryou_________(not,do)anythingaboutitforthetimebeing(当前). 12.Iwouldhavecalledyouifl__________(know)yourtelephonenumber. 13.Theteacherinsistedthatwe______(finish)ourhomeworkbefore9o’clock. 14.________(arrive)beforewedepartthedayaftertomorrow,weshouldhaveawonderdinnerparty. 15.Idon’tthinkitadvisablethatTom__________(assign)tothejobsincehehasnoexperience. 16.Heisapoorlylearntman.Butheactsasthoughhe___________. A.isB.wereC.shouldbeD.seemslike 17.Doctorssuggestedthattextbooksandnotebooks__________(print)onyellowpaper,whichwouldbebetterforeyes. 18.Iinsistthatadoctor__________(send)forimmediately. 19.Itisnecessarythataperson____________exerciseseverydayifhewishestobehealthy.A.doesB.didC.doD.takes 20.Iwasverybusythatday.OtherwiseI_________(take)partinthediscussion. 21.Ifmylawyer________(be)herelastSaturday,he______(prevent)mefromgoing. 22.Ishouldverymuchliketogototheparty,butI_________________(not,invite). 23.IfI________(be)you,I’djointhearmy. 24.Ifyouhadwantedtobuyarecord,what__________(buy)? 25.___________(leave)today,hewouldgettherebyFriday. 26.Jimwouldratherwe_________(not,leave)now,butwemustgotowork. 27._________Tom_________(look)atthepricelist,he’dhaveknownwhattoexpect. 28.Mysuggestionisthattheexperiment___________(do)inanotherway. 29.LookattheterriblesituationIamin!IfonlyI____________(follow)youradvice. 30.Itishightimethatsuchapractice__________(put)anendto. 31.___________(come)tomorrow,hewouldbeabletoseetheopeningceremony. 32.IfI___________(have)moretime,Iwouldhavegonewithhim. 33.Theideaisthatthenation__________(send)anunmannedspacecrafttoexploretheplanetfirst. 34.Itisnecessarythatyou__________(be)thereinperson. 35.Werequiredthatthemachineparts____________(make)ofiron. 36.Themanagementurgedthatthecostofproduction__________(reduce). 37.Thebusinessisrisky.But__________wewouldberich. A.shouldwesucceedB.weshouldsucceed C.mightwesucceedD.wouldwesucceed 38.IfI_________(live)inthetwentyfifthcentury,I____________（spend）myvacationinaverydifferentway. 39.Itisrequiredthatthemachine________(oil)asfrequentlyasnecessary. 40.HisEnglishteacherrecommendsthathe_________(begin)aregulardegreeprogram.