英语改错题 1.i don't believe she is at home,isn't she?2.stamps can be used as sending.
问题描述：
英语改错题 1.i don't believe she is at home,isn't she?2.stamps can be used as sending.
答
is she因为I don't believe的句型是否定后面的宾语从句.
be used for 用作
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