Choose the correct option

1. He's only on page 20 of this book, and he's
   [been reading|read]
   for hours!
2. Michelle
   [has written|has been writing]
   30 emails today!
3. Look at Kate! She's so happy! She
   [has been graduating|has graduated]
   from the university!
4. Sarah plays basketball really well, and she
   [has played|has been playing]
   it for half a year.
5. Ben's eyes hurt — he
   [has been working|has worked]
   on a computer since the morning.
6. They're having a party tonight — mum and sister have
   [cooked|been cooking]
   all day long.
7. I can't find my purse — I
   [have been looking|have looked]
   for it since I have come to work.
8. What? They haven't finished yet? What have they
   [done|been doing]
   all morning?