Вставить пропущенные слова are, am, is I ... a boy. they ... birds. you ... a girl. she ... my mother. We ... boys. it ... a dog you ... girls

I am a boy. They are birds. You are a girl. She is my mother. We are boys. It is a dog. You are girls. I am a sister. She is a doctor. He is a brother. We are friends. I am a pupil. He is a driver. She is a student. They are children. We are singers.