PDF chapter test TRY NOW

Read the sentences and write the full verb form. Choose the future perfect or future perfect continuous.
  
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1.  By the time she arrives in London, she ______(travel) for 2 hours.
 
    
  
2.  I hope I ______(buy) my own house by the time I’m 30.
 
    
 
3.  By next Christmas, I_____ (clean) my house.