Nouns

Choose the right answer.

1. Which sentence is correct?

He has three childs.
He has three children.
He has three childrens.

2. Which sentence is correct?

He went to an university.
He went to a university.
He went to a my university.

3. Which sentence is correct?

I live in United States.
I live in the United States.
I live in U.S.

4. Which sentence is correct?

Julia gave me her book.
Julia gave me her a book.
Julia gave me book.

5.Which sentence is correct?

Darren's house is very big.
Darren house is very big.
Darren's a house is very big.