Exercise Auxilary verb

Complete each sentence with the correct auxiliary verb.

1. What _______ you done?
2. I _______ not like this song.
3. _______ she know that you are here?
4. The lesson _______ not started yet.
5. _______  you drink milk?
6. Who_______ eaten my biscuits?
7. It _______ not matter.
8. They_______ not want to play outside.
9. We_______ not seen you for a long time.
10. My friend_______ sent me some photos. 

Grammar reference: http://businesslanguagenl.blogspot.com/2011/01/importance-of-auxiliary-verb.html