Noun Clause

1. How pet is feeling today?

• I don't know how pet 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 what there life in other planets.

4. Did you leave your dictionary at the 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.