单选题英语“He writes a letter”中动词writes中的s表示的语法意义是（）。A性 数 格B体 态 时C数 时 人称D格 体 时
单选题
英语“He writes a letter”中动词writes中的s表示的语法意义是（）。
A
性 数 格
B
体 态 时
C
数 时 人称
D
格 体 时
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解析：
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