—Why not paint the Golden Gate Bridge blue or other colors?—The bridge has always been painted "International Orange" ______ that color is easier to see in the heavy fog.
_______ 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 .
Why ____________ enjoy Beijing opera with us?