. The newly built café, the walls of_______ are painted light green, is really a peaceful place for us, specially after hard work.
Before leaving home, make sure to turn off the electricity, lock the door, ______ the windows open.
The idea for the new machine came to Mr. Baker ______ to his invention recently.
Professor Liu has ________ teach psychology since he came to the Central China Normal University.
---Any news about Bill Clinton? ----He left power three years ago and has a little now and a little then been ______.
If you want to sell your product you must _____ it.