Teachers have to constantly update their knowledge in order to maintain their professional ________．
| A．consequence | B．independence |
| C．competence | D．intelligence |
.——Don’t look down upon Bob. He has his own advantages.
——Oh, yes. ___________others are weak, he is strong.
| A．If | B．Where | C．Though | D．When |
Alice left the company half a month ago. Her work ___________unfinished since.
| A．has left | B．was left | C．is leaving | D．has been left |
In order to support the big family, he worked so hard that___________ he made himself ill.
| A．occasionally | B．purposefully | C．normally | D．eventually |
While he was at _________ college, he took part in political activities, and was soon thrown into prison.
| A．the; / | B．/; the | C．/; / | D．the; the |
Supposing someone___________you had been lying, what would you do?
| A．turned out | B．found out | C．picked out | D．broke out |