it appeared that he didn't know what was happening=he()()to

it appeared that he didn't know what was happening=he()()to know what was happening
qingchun573 1年前 已收到1个回答 举报

awooer 幼苗

共回答了15个问题采纳率:93.3% 举报

应该填写
didn't appear

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

1年前

6
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