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A6 My vacation第一课 内容还课
1.North Am_rica, S_uth America, Afr_ca, M_xico, Mex_can,Col_mbia, Col_mbian, Arg...
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A6 My vacation第一课 纠音还课
1.North America北美洲, South America南美洲, Africa非洲, Mexico墨西哥, Mexican墨西哥的,Columbia哥...
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A9 Hotel第四课 内容还课
1.res_rve, st_y, t_day, tom_rrow,the d_y after tomorrow, d_y, w_ek,m_nth, d_llar...
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A9 Hotel第四课 纠音还课
1.reserve预订, stay停留, today今天, tomorrow明天,the day after tomorrow后天, day天, week周,m...
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