Sam ______ for London yesterday, and he arrived there at 5 pm.
A set up B set about C set off D set down
Before leaving home, make sure to turn off the electricity, lock the door, ______ the windows open.
| A．and not to leave | B．instead of leaving |
| C．rather than leave | D．and not leave |
The idea for the new machine came to Mr. Baker ______ to his invention recently.
| A．while devoting | B．while devoted |
| C．while he was devoted | D．while devoting himself. |
Professor Liu has ________ teach psychology since he came to the Central China Normal University.
| A．determination to | B．been determined to |
| C．been determining to | D．determined to |
---Any news about Bill Clinton?
----He left power three years ago and has a little now and a little then been ______.
| A．heard of since | B．heard since | C．heard before | D．heard of before |
If you want to sell your product you must _____ it.
| A．advertise | B．advertise for | C．advertise on | D．advertise to |