Only after liberation（解放） to be treated as human beings.
| A．did they begin | B．they had begun | C．they did begin | D．has they begun |
——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 |
The reason___________he gave for not coming to your birthday party is ___________his mother was ill.
| A．what; which | B．why; that | C．as; which | D．which; that |