题目内容：

teachers gave the text books to all the pupils except __ who have already taken them
A the ones B ones C some D the others
选A 为什么

优质解答

teachers gave the text books to all the pupils except __ who have already taken them
A the ones (也可以用those)
B ones 特指要加冠词的
C some 不可作为先行词
D the others 指(两者中的)另一些,一般前面要出现the one(s)才有相应的the others