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When you are learning English, you find it not clever to put an English sentence, word into yo...

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at the first    first of all    in first    first at all  
but    or    then    and
  
but    or    then    and  
learn  to learn  learning  learned  
but    or    then    and  
look up    turn up    turn to    turn over.  
started   stopped    won   became  

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