American (复数)_________American有复数呀?那为什么说They are American .American后不加s呢?
问题描述:
American (复数)_________
American有复数呀?那为什么说They are American .American后不加s呢?
答
American (复数)_________
American有复数呀?那为什么说They are American .American后不加s呢?