Sugar tastes sweet. But, _______, it’s bad to eat too much.
The old man lives ____ in a _____ house, but he doesn’t feel_____.
— Is your father in?— No, he ______ for three hours.
—Where is Mr Green now ? I haven’t seen him for a few days .—He _____ to Hong Kong .
Why ____________ enjoy Beijing opera with us?
---- Hello. ________ Tina speaking. Is that Sam? ---- Sorry, he isn’t in.