when does my website listed ?

My website most popular websites has not listed in dmoz directory yet after near 18 months !
is there any problem with my website ?
or is there any black list of the websites which removes the requests automatically ?
or is is possible there was an editor which refuse the request of my website which is similer to website of himself ?
I dont know what can I do to solve this problem !
I have been read the " how to add" section more times !
plz help me to solve
Regards
Changiz :icon_ques

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