chalk, 粉笔, argument, 争论, decide to do, 决定做, decision, n 决定, breathe, 呼吸, flat, 公寓 平的, stone, 石头, hurtful, 痛苦的, erase, 清除, donate, 捐赠, raise, 筹集 抚养 举起, develop, 发展, change, 改变 零钱, chat, 聊天, be interested in, 对感兴趣, physics, 物理, perhaps, 可能, consider, 思考 考虑, talented, 有才华的, engineer, 工程师, require, 要求, exactly, 的确, pilot, 飞行员, reunion, 团聚, though, 尽管, fear, 恐惧, step by step, 一步一步

unit 1

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Tauler de classificació

Estil visual

Opcions

Canvia de fonament

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