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—Tom, you look tired this morning. What’s wrong? —I was so busy that I didn’t go to bed _____...

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painted  had painted   have been painting  have painted  
look like    look for    look at    look after  
Do you sleep   Were you sleeping   Did you sleep   Had you slept  
happy   upset  tired  excited  
what is Tom doing    how Tom did it    where Tom is    why Tom is doing it  
don’t; until    will; after    didn’t; until    have; after  
Do you sleep    Were you sleeping   Did you sleep    Had you slept  
has    have    to have    having  
Have you been sleeping    Were you sleeping    Did you sleep    Had you slept  
look   prepare   care   search  
painted    had painted    have painted    have been painting

  
happy  upset  tired  excited  
stayed up    made up    put up    looked up  
Do you sleep   Did you sleep   Were you sleeping   Had you slept  
stayed up    made up    put up    looked up  
have been helping    had helped   was helping    am helping  
because   while    instead of    because of  
look at    look for    look like    look after