KeytoExercisesEx.1A
1.A.hishomeworkB.quickly,toplay2.A.ThehugeblackhorseB.therace3.A.havethoughtaboutB.goingintospace4.A.warmsupandcrawlsB.outofthebag
5.A.oneofthemostbeautifulplanetstolookatthroughatelescopeB.becauseofthemanyringsthatsurroundit6.A.165yearsB.tocompleteitspath,ororbit,aroundthcsun7.A.youandyourbrotherB.Howmanypairsofshorts
8.A.themostexpensivemeallistedonthemenuB.What9.A.an"OutdoorCode”B.theirmembers
10.A.canblowB.asfastas180miles(290kilometersanhour
11.A.ThespiralofheatedairandmoistairB.totwistandgrowandspin
12.A.Thedirectionahurricane'sspiralmovesB.counterclockwise13.A.doesnotshineB.Atthenorthpole;forhalfoftheyear
14.A.ThecoldwindsthatblowoffoftheArcticOceanB.averycoldplace15.A.mighthavebeenB.guiltyofmurderEx.1B1.SVC
Withinthestrickenarea,notasinglesoulremainedalive,andthecitycentrelookedasifithadbeenrazedbyamonstersteam-roller.2.SV
Thebombexploded1000ft.abovetheground.3.SVO
OnAugust6,1945,anAmericanaircraftdroppedabombontheJapanesetownofHiroshima.4.SVoO
Threedayslater,yetanotherbombofthesamekindgavethetownofNagasakithesamefatalBlow.5.SVOC
Theexplosionmadeoneandahalfsquaremilesofthecityanexpanseofreddishrubble.6.SVA
Withinthefractionofasecond,thebombchangedfromametalcylinderintoanimmensemassofexpandinggas,millionsofdegreeshot.7.SVOA
Atremendousblastofhotairwhirledthedebrisofstone,concrete,metal,andwoodovertheground.Ex.1C
1.WaldenPond,oncepraisedbyThoreauforitsnaturalbeauty,isnowthesiteofmanytouriststands.
2.Almosteverysummernightthecoolingnortheastwindsweptthroughourbedroom
windows,makingairconditioningunnecessaryandalightblanketwelcome./Sweepingthroughourbedroomwindowsalmosteverysummernight,thecoolingnortheastwindmadeairconditioningunnecessaryandalightblanketwelcome.
3.Thesteepsurroundingslopeswerecappedwithsnow,whichfedtwostreamsplungingdowntojoininthevalleybelow.
4.Withtheriverononesideandalargetreeprovidingshade,thisisagoodspotforapicnic,andwecanspreadourblanketonthegrassyknoll.
5.Pantingforbreathafterrunningupthestairs,MrWoodstoodathisneighbour'sdoorandknockedagainandagaintillsomeoneopenedit.
6.ThetownfolkenviedHorace,whohadcomeintoasmallfortunewithwhichheboughtabighouseandobtainedapartnershipinthebiggestgroceryintown.
7.Standingin