— Tom’s mother is Jenny White. We call her ______ .
---Listen! Is Kate playing the piano in the room? ---No. It _________ be her. She has gone to London with her parents.
--- _________ it is to be a host! --- I agree.
It was _________ difficult work _________ nobody can do it.
---Have you cooked supper_________?---Yes, I have _________ finished it.
---What’s wrong with my son, doctor?--- _______ serious. Just a slight cold.