Much time _____ sitting at a desk, office workers are generally troubled by health problems.
| A．being spent | B．having spent |
| C．spent | D．spending |
The retired manager decide to in the mountain village since it was so quiet and the air was fresh as well.
| A．calm down | B．settle down | C．set down | D．fall down |
The is that the new machine will arrive tomorrow.
| A．chance | B．luck | C．happening | D．accident |
As the story , the truth about the strange figure is slowly discovered.
| A．begins | B．happens | C．ends | D．develops |
Jane, quickly get this film, I want to know if this camera works well.
| A．washed | B．developed | C．printed | D．shown |
A famous professor is coming to give us a lecture. Will you it?
participate B. attend C. enter D. deliver