EF 5/6 Noun clauses

A.
1. I don't know who she is.
I don't know who is she. XXX
Who is she?
2. I don't know who they are.
3. Do you know what that is?
4. I don't know what those are.
5. I don't know whose book that is.
6. I don't know whose books those are.
7. Do you know what a wrench is?
8. I wonder who that woman is.
9. I wonder whose house that is.
10. Don't you know what a clause is?
11. I don't know what's in that drawer.
12. I wonder what's on TV tonight.
I wonder what is on TV tonight.
I wonder what it is on TV tonight. XXX
13. Could you tell me whose glasses those are? 
14. He doesn't know who I am.
15. The little girl wants to know what's at the end of the rainbow.

Irish saying: There is a pot of gold at the end of the rainbow.

leprechaun 
four-leaf clover