They are_____,they speak good English.答案应该是American还是Englishman?

问题描述:

They are_____,they speak good English.答案应该是American还是Englishman?
请讲解
本人直觉是American ,但不知排除Englishman的具体理由,望详告~·

American
因为是复数,所以应为englishmEn,而不是englishmAn