They have no classes today.(同意句） They ____ have ____ ____ today.
问题描述：
They have no classes today.(同意句） They ____ have ____ ____ today.
答
don't ；any classes 至于为什么class这里要用复数，是因为在否定句中，any后面跟可数名词的复数形式。
答
don't any class
答
didn't any classes
答
They don't have any class today.