Duolingo 推出英语水平认证了，可以通过其移动应用 Duolingo Test Center 进行在线考试。iOS/Android
supereyes · Nov 22, 2014 · 3473 viewsThis topic created in 4177 days ago, the information mentioned may be changed or developed.
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liangguan5 Nov 22, 2014 via iPhone
已测，不易不难，72小时内出结果
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blacktulip Nov 22, 2014 via iPhone
这认证都有哪些地方承认那？
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Elethom Nov 22, 2014
@liangguan5
測試大概需要多久? |
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liangguan5 Nov 22, 2014 via iPhone
@Elethom 20分钟
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1dian01 Nov 22, 2014
Duolingo 不错,刷题的感觉
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