Fill in the gaps with the correct form of the verb to be.

1) I am a student. 2) My grandparents are away. 3) Sniff and Winston are my cats. 4) The rat is in the cage. 5) The man is an artist. 6) My yellow pen is on the shelf. 7) Katya and Sveta are good friends. 8) Are you from England? 9) His sister is fifteen years old. 10) You are children.