he is an engineer.把句子改为复数形式
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heisanengineer.把句子改为复数形式heisanengineer.把句子改为复数形式heisanengineer.把句子改为复数形式Theyareengineers.Theyareengi
he is an engineer.把句子改为复数形式
he is an engineer.把句子改为复数形式
he is an engineer.把句子改为复数形式
They are engineers .
They are engineers
They are engineers
they are engineers