照您说的，我想还是等I-94到期的那天去，然后住个晚上，隔天会美准没错。
-Fine or just come back before 1 or 2 days before the I-94 expires.
问题是美／墨的移民官都很好吗？我怕他不给新的I-94或不让进关就麻烦了！
-No problem to enter US using the valid visa,and the problem is that you do not know how long they will give the I-94 duration.
