问题描述：
为什么选A,B错在哪了?
Mr.Zhang gave the textbook to all the pupils except __________ who had already taken them.
A.the ones B.the others
为什么B不能选?
Mr.Zhang gave the textbook to all the pupils except __________ who had already taken them.
A.the ones B.the others
为什么B不能选?
问题解答：
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