请问大家一个问题He is English.中,在short前为什么不加a?hair为什么不用加s?不好意思写错了．我把

请问大家一个问题He is English.中,在short前为什么不加a?hair为什么不用加s?不好意思写错了．我把 He has short hair and ( wears ) glasses.为什么wear要加s he is like a father to me中like 为什么不加s It's good exercise.为什么good前不用加a? He read a book为什么read不加s或不加is reading he can't speak english .为什么speak不加s 英语所有格问题a map of china 为什么china不加's 所属物名词map前不是有不定冠词吗为什么不用双重所 在英语语法中:为什么有些最高级前不用加the 这句话中,前一个词加三单s,为什么后一个不加s? he is like his father 为什么like不加s he is like his father.为什么like不加s There is a stamp show on Sunday.句子中stamp为什么不用加s?