第一句,陈述否定：they aren't good teacher.
一般疑问句：are they good teacher?
第二句,陈述否定句：dota isn't my teacher.
一般疑问句：is dota my teacher?
They are good teacher Dota is my teacher 改成陈述否定句和一般疑问句
They are good teacher Dota is my teacher 改成陈述否定句和一般疑问句
英语人气：311 ℃时间：2019-11-04 14:15:49
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