问题描述：
一道英语语法选择题
_______of my bike needs repairing.
a.Either wheel b.Neither wheels c.All wheels d.Both wheels
老师讲的答案是a,为什么b错
_______of my bike needs repairing.
a.Either wheel b.Neither wheels c.All wheels d.Both wheels
老师讲的答案是a,为什么b错
问题解答：
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