Правильно ли составлен вопрос?

Если правильно, выберите вариант "It is correct". Если неправильно "It is not correct".

Are you hungry?
Are the children at school?
You are a doctor?
Is it your bag?
Are the kids in the garden?
She is from Italy?
She is in Italy?
Am I early?
They are on holiday now?
He is a football fan?