Not until he left his home ________ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．he began | D．he had begun |
Much of the power of the trade unions has been lost.______, their political influence should very great..
| A．As a result | B．As usual | C．Even so | D．So far |
Stephen tried to get his wok______ in the medical circle.
| A．to recognize | B．recognizing | C．recognize | D．recognized |
Sam_______ some knowledge of the computer just by watching others working on it..
| A．brought up | B．looked up | C．picked up | D．set up |
As you _________ the tasks, cross them off your list so you may feel less pressure..
| A．obtain | B．gain | C．succeed | D．accomplish |
–-That must have been a long trip.
-- Yeah, it _______ us a whole week to get there.
| A．takes | B．has taken | C．took | D．was taking |