Choose the correct reflexive pronoun

1. My friend's kitten likes to look at
   [itself|himself|herself]
   in the mirror.
2. I'm leaving you for just one minute, George. I hope you will behave
   [yourselves|myself|yourself]
   .
3. John's friends came, but John
   [ourselves|himself|itself]
   didn't.
4. Did Mary answer this difficult question
   [herself|himself|myself]
   ?
5. I can't tell you
   [yourself|myself|ourselves]
   , but my father will.
6. The English
   [itself|yourselves|themselves]
   don't always speak English very well.
7. The film is brilliant, I'm sure you'll enjoy
   [yourselves|yourself|itself]
   , girls.
8. Our parents were ready to help us, but we decided to do everything
   [ourselves|themselves|itself]
   .
9. Well, children, there's a lot of rubbish around the school building, prepare
   [yourselves|yourself|themselves]
   for hard work.
10. Helen, dear, have you made this wonderful cake all by
    [herself|yourself|myself]
    ?
11. This time the boys made a fire and put up the tent all by
    [themselves|ourselves|herself].
12. We
    [themselves|yourself|ourselves]
    didn't take part in the match, we just watched it.