--- Would you please give him the paper the moment he _______? --- No problem.
---Now the air in our hometown is even than it was before. ---So we must do something to stop it.
_______ some ways , there are many changes in our hometown .
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 .