AlittleboywasplayinginhissandboxonaSaturdaymorning.Whil...
問題詳情:AlittleboywasplayinginhissandboxonaSaturdaymorningehewasbuildingroadsandhousesinthesoftsand,hediscoveredalargestoneinthemiddleofthesandbox.Thelittleboypushedandpulled,buteverytimehethoughtheha...