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日本政府面向全国征集“鼓励喝酒”创意 petition的过去式是什么?petition的用法和例句 31st annual AIA 2017 Sandcastle Competition held in Galvesto Chinese proficiency competition for college students in Turk Students participate in language-proficiency competition 表征四个表示 “比赛”的词：race, contest, competition, match Criticism批评 天才们都具有哪些共同点？美国知名科普作家：孤独感 如何用英语形容各种各样的人 blackball的过去式是什么?blackball的用法和例句