1.Apilotnoticedaballoonwhichseemed61(make)foraRoyalAirF...
問題詳情：1.Apilotnoticedaballoonwhichseemed61(make)foraRoyalAirForceStationnearby.Heinformedthestationatonce,butnoonetherewasabletoexplainthemystery.Theofficerinthecontroltowerwasveryangry62heheardthen...