感謝分享！我要推我兒子這個。這個是幾年級才開始有？如果初中階段有debat program，和這個衝突或者重疊嗎？

來源: 香草仙子於 2019-11-25 20:13:03 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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