51.WeplannedtogettoLondon____Monday,butIdidn’tarrive____Friday
A.on,onB.till,onC.to,fromD.on,until52.Theaccidenthappened____acoldwintermorning
A.inB.onC.forD.by53.Abouttwentypercentofthepopulationofourcountrylive____wages
A.byB.onC.withD.in54.Yourvoicesoundsdifferent____thephone
A.inB.forC.fromD.on55.Thehouseis____fire;call____helpquickly,orbreaktheglasstosoundthealarm
A.on,forB.at,forC.in,toD.on,to56.Anewbridgewillbebuilt____theriver
A.byB.inC.overD.through57.OurNationalFlagstandsoutbrightly____thebluesky
A.againstB.byC.underD.over58.Eatingtoomuchsweetsandchocolates_____mealsisbadforyou
A.amongB.throughC.betweenD.for59.Shelooksquiteyoung____herage
A.forB.ofC.inD.about60.Ihopeyoucananswerthepaper____ink,not____pencil
A.at,withB.with,inaC.in,withaD.with,in61.Thesmallvillagelies____thewestof