![1.Apilotnoticedaballoonwhichseemed61(make)foraRoyalAirF...]( "1.Apilotnoticedaballoonwhichseemed61(make)foraRoyalAirF...")
- 问题详情：1.Apilotnoticedaballoonwhichseemed61(make)foraRoyalAirForceStationnearby.Heinformedthestationatonce,butnoonetherewasabletoexplainthemystery.Theofficerinthecontroltowerwasveryangry62heheardthenews,becauseballoonscanbeagreatdangertoaircraft.Hes...
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