243 条记录
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+5
登录 · 2022-03-07 11:59
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-20
发起提问 · 2022-03-07 11:26 According to the scientists who found its dead body, all that remained of the polar bear was "skin and bones".请问remain of是不是理解成从
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签到 · 2022-03-07 11:20
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签到 · 2022-03-06 08:05
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+5
签到 · 2022-03-05 08:25
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+5
签到 · 2022-03-04 10:05
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+5
签到 · 2022-03-03 07:56
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-20
发起提问 · 2022-03-02 08:23 “He is working.”这句话里，working是动名词还是现在分词？还是就是进行时态，不归纳为动名词或分词？
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+5
签到 · 2022-03-02 08:09
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签到 · 2022-03-01 08:07