虚拟语气练习题用所给动词的适当形式填空：PartA.Ifpeople______(drive)moreslowly,therewouldn’tbesomanyaccidents.Ifyouhadworkedcarefully,you_____(notmake)somanymistakes.Theboatwouldn’thavedriftedaway,ifwe_____(tie)itup.IfIhadknownyoualready_____(have)atypewriter,I_____(not,buy)oneforyourbirthday.Ifhe_____(be)herethisafternoonIwouldgowithhim.Ifitweretoraintomorrow,thematch_____(postpone).Butforyourhelp,we______(notbe)abletofinishtheworkintime.Ifit_____(not,be)fortheleadershipoftheParty,wewouldnothaveachievedsomuch.IwishI_____(study)hardwhileIwasyoung.Itisabouttimethatfence______(mend).Myrequestisthatwe______(hold)anothersessiontodiscusstheproblem.Itisstrangethatthecar_____(break)downatexactlythesameplacewhereit_____(break)downyesterday.Thebabysmiledasifhe_____(understand)whathismother_____(say).Hetalkedasifhe_____(do)alltheworkhimself,butinfactTomandI_____(do)mostofit.Ifonlywe_____(have)aphone!I’mtiredofqueuingoutsidethepublicphonebox.-----“Canwecomeinlatetomorrow?”-----“I’dratheryou_____(come)inontime.”Helooksasifhe_____(be)illforalongtime.Healwaystalksasthoughhe______(address)apublicmeeting.Ifametal______(heat),itwillexpand.I_____(stay)homeifitrainsthisevening.PartB.Shewouldcallyouimmediatelyifshe_____(need)help.IfIhadseenthemovie,I_____(tell)youallaboutitnow.Ifhe_____(decide)earlier,hecouldhaveleftontheafternoonflight._______I_____(take)myumbrellawithmewhenI_____(come)outthismorning,I_____(notbe)sowetnow.Ifyouhadlistenedtome,you_____(notbe)insuchtroublenow.Iwishthey_____(stop)makingsomuchnoisesothatIcouldconcentrateonmywork.Itisinconceivablethathe_____(notsee)methatdayforI______(wave)toher.Whatapitythathegaveordersthatallthoselovelytrees_____(cut)down.Mr.Joneswouldrather_____(stay)homelastnight.Henrywouldratherthathisbrother_____(work)inthesamedepartmentashedoes.Electriccurrentflowsthroughaconductorasthoughit_____(be)afluid.We_____(invite)hertothepartybutwedidn’tknowthatshe______(already,come)backfromabroad.Today’sindustrialproduction______(be)im