about applying for U.S. citizenship

I am planning to apply for citizenship of the United States. I got my green card about five years ago based on EB-1. Am I supposed to fill in the form N-400? What other documents do I need to prepare? Is there anything that I need to pay attention to particularly? Thanks a lot for the help.

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• 給你介紹個朋友Google, 或移步到隔壁幾家的【移民論壇】，那裏有專人解答。 -水中撈月- ♂ (0 bytes) () 02/21/2015 postreply 15:39:22

• 看點英語能累死你啊？ -檸檬椰子汁- ♂ (26 bytes) () 02/21/2015 postreply 16:54:20

• 網上查 -李麗- ♀ (47 bytes) () 02/25/2015 postreply 09:53:23