Unit3Discoveringusefulwordsandexpressions:I.Findthecorrectwordforeachofthefollowingmeanings.1_____________mistake2_____________toallowsomethingtohappen3_____________someonewhowritesbooks4_____________totrytofindorgetsomething5_____________athinpapercoverforaletterfaultpermitseekenvelopebirthplaceauthorbusinessmanadventureDiscoveringusefulwordsandexpressions:9_____________abilitytowaitfroalingti...