______ good boy he is! We have never seen such a good boy.
--- Tea or coffee?---_______. Just a piece of bread. I feel a little hungry.
---Is the girl in the red skirt your sister?---No. It _______ be her. She has flown to Australia.
---_______ do you watch TV? ---Only once on Saturday evening. You know as a student I am too busy.
--- Did your classmates have a good time in the Disneyland last weekend?---Yes. They enjoyed _________ very much.
---I saw your sister ride a new bike this morning.---A new bike? She ________ it for about two years.