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not all sounds made by animals serve as language中的language前不

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/07 13:58:54
not all sounds made by animals serve as language中的language前不加a呢
serve as 当作 不会特指一种
animals 本身就是复数
再问: he has served the company for long,first as office boy and eventually as managing director.这句话呢,he是单数的。为什么后面不加a 呢
再答: 这是习惯用法, 如: as president
再问: 如果加了算错吗?
再答: 在你的问题里加 a 必须是错的, 没有什么可含糊的