回复：请教pjiang等高人，父母刚拿到 B2 签 证，买机票事宜

1,2: no, but it is said better to buy round-trip,
3: yes, usually nowaday, may ask them email you a copy to double check.
4: no.

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• Thanks! -yibei- ♀ (0 bytes) () 04/08/2008 postreply 13:47:33