5、eswerewaitinginsidethemainbuildingwhileotherswerewaitingontheairfield.TwomentooktheparcelofftheplaneandcarrieditintotheCustomsHouse.Whiletwodetectiveswerekeepingguardatthedoor,twoothersopened theparcel.Totheirsurprise,thepreciousparcelwasfullofstonesandsand! Lesson8Thebestandtheworst最好的和最差的 Jo