190. The famous scientist began the research which his new discoveries.
| A．belonged to | B．led to | C．caused to | D．brought to |
— When will the new bridge be completed?
— It is said that it _______ by the end of this year.
| A．will be completed | B．will have been completed | C．is completed | D．will be completing |
_____ in prison for ten years, he seems to be unaware of what has happened outside.
| A．Having kept | B．Having been kept | C．Kept | D．Keeping |
— Did your father catch the train?
— No. The train _______ before we got to the railway station.
| A．had left | B．was leaving | C．would leave | D．left |
The old man _______ three large houses and a factory before he died. He was quite wealthy.
| A．possessed | B．concluded | C．contained | D．maintained |
Having been stuck in the cave for six days without food or water, the young man lay on the ground, _____.
| A．considerate | B．conscious | C．senseless | D．sensitive |