问题描述：
They don't have _______ brothers _______ sisters.
They don't have _______ brothers _______ sisters.（）
A.some；and B.some；or C.any；and D.any；or
They don't have _______ brothers _______ sisters.（）
A.some；and B.some；or C.any；and D.any；or
问题解答：
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