제 목   HW    상 태  
   작성자   najoong9    등록일   2015-11-26
   원 문
  I think many things already has developed so far. For this reason, I should be hard to advance our present technology in the future.
   내 용
 

I think many things already has developed so far. For this reason, I should be = work hard to advance our present technology in the future.

 
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