要去开会签B1，有几个填表的疑问：
24. At What Address Will You Stay in The U.S.?和
25. Name and Telephone Numbers of Person in U.S. Who You Will Be Staying With or Visitiong For Tourism or Business
这两项怎么填？会议的具体住宿安排还没出来，24怎么填呢？25填谁呢？
38里面的第二项Have you ever been refused admission to the U.S., ...如果曾经被拒签过F1算不算被refused addmission？
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