我是这样写的:Two weeks ago, I was approved of a F1 visa. Yesterday, I was approved of another B1/B2 visa for some personal reasons. I want to ask that If I obtained this B1/B2 visa, do the F1 visa I obtained before become invalid? If I want to go to the US by F1 visa again, do I need to apply for a new F1 visa again?
大使馆回信:The two different visas can be issued to an eligible applicant. If you are holding a valid student status, have a valid I-20, you can use your F visa.
我个人认为这算是权威的回复了,请各位童鞋们参考。
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