The glass were kept hot enough.
主语the glass，查了一下字典，glass是不可数名词。谓语为什么用were.记得之前学的是主语不可数名词，谓语要用单数，才能主谓一致?
句子肯定是错的。
误：The glass were kept hot enough.
正：The glass was kept hot enough.
正：The glasses were kept hot enough.
