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英语
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it appeared that he didn't know what was happening=he()()to know what was happening
人气：307 ℃ 时间：2019-08-20 19:52:50
解答
应该填写
didn't appear
或
appeared not
两个都可以
似乎他不知道发什么了什么.
其否定形式为appeared not to do 或 didn't appear to
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英语翻译
6分之5+10分之9+6分之1 1-5分之3-5分之2 8分之5-12分之1+12分之5 4分之3-（12分之7-4分之1）
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