can any one solve my problem ?

friend i am having some problem with my site , the problem is that i have my own site , and i am doing great work for my site, like i am doing each and every activity for the site like

forums Posing,
bookmarking
Directories
Yahoo Answers
Blog Commenting

but still i have don't have good ranking for my site . can anyone suggest me the best way to get ranking. please give the smart answers only.

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