Challenge to Knocker
											You give a topic, we go ahead, to see who do it with the less time and more efficiency.										
					
	 2005-11-27 11:52
	    2005-11-27 11:52
   2005-11-27 12:28
	    2005-11-27 12:28
  PS:我也没过四级,现在是时候练了。
 2005-11-27 12:30
	    2005-11-27 12:30
   2005-11-27 12:32
	    2005-11-27 12:32
  我试试。
 2005-11-27 12:52
	    2005-11-27 12:52