It was a time_______ the killer whales helped the whalers catch the baleen whales.
| A．when | B．that | C．then | D．which |
The party, which had been greatly _____, was spoiled by the rude behavior of an uninvited guest.
| A．looked forward to | B．looked up to |
| C．called forth | D．called for |
Everything he said then was _____ by what happened later.
| A．identified | B．signified | C．noticed | D．verified |
The chances of discovering life on Neptune are about a million _____.
| A．at one | B．for one | C．to one | D．against one |
It was _____ by the railway board that the cost of rail fares would be increased by ten percent.
| A．noticed | B．stated | C．suggested | D．noted |
Our Party has always devoted great attention to raising the living _____ of the working people.
| A．cost | B．situation | C．level | D．standard |