Choose the proper word from brackets:
1. (Can, may) you play the piano?

2. (Can, may) Benny watch TV before going to bed?

3. I think I (can, may) do the work myself.

4 (Can, may) your friend speak English?

5. (Can, may) I have another cup of tea?

6. You (can, may) stay a little longer if you like.

7. I (cannot, may not) hear you. Speak louder, please.

8. You (can, may) take the book home.

9. (Can, may) I leave my bag with you?

10. I (cannot, may not) believe that.