亲，那个tracking number 没用的，大概只是个此次处理的流水号。。他是不是有跟你说 Please note that we have forwarded your request to the appropriate department for processing. Please check your My GRE Account in 72 hours to confirm that your request has been completed.？ 如果有说就好了，那你就按时间等着，然后去GRE account里面查就好了。进入GRE account之后选择那个VIEW A
