問題詳情：
As we all know, "UN" is ________ the United Nations. A. short for B. made of C. named after D. short of
As we all know, "UN" is ________ the United Nations.
A. short for B. made of
C. named after D. short of
【回答】
A
知識點：動詞和動詞短語
題型：選擇題
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