- 问题详情:HotdogisoneofthemostpopularAmericanfoods.Itisnamedafterfrankfurter,a(n)__31__food.ThewordfrankfurtercomesfromFrankfurt,Germany,whereporksausages__32___tohotdogswereserved.Inotherpartsoftheworld,hotdogisalsovery___33___.Differentareasoftheworl...
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