7-2 further reading
2018-11-05 0评论
7-2 vocabulary
2018-11-05 0评论
6-6 further reading
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7-1 further study
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7-1 taking pictures
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7-1 vocabulary
2018-11-05 1评论
7 travel on your own
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6-6 taking a cab
2018-10-29 0评论
6-5 vocabulary
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6-5 further reading
2018-10-29 1评论