Bahasa Inggris 2 - Noun Clause

1. How pat is feeling today?
I don’t know how pat is feeling  today

2. Why did they leave the country is a secret ?

I wonder why they left the country is a secret

3. Is there life on other planets?

I don't know if there is life on other planets

4. Did you leave your dictionary at library?
I don't know where i left my dictionary at the library

5. Does it belong to you?
I don't know why it belongs to me

4.