.Most students used to listen to their teachers in class and completely obey their teachers，__________?
| A．used they | B．weren’t they |
| C．didn’t they | D．did they |
In the country guests tend to feel they are not highly __________ if the invitation to a dinner party is given only three or four days before the party date.
| A．admired | B．expected | C．wished | D．regarded |
Many animals _____________the same fate as the large extinct elephant because of the environment.
| A．suffered | B．turned | C．caught | D．made |
Many strange new means of transport have been developed in our century, the strangest of _______ being perhaps the hovercraft(气垫船).
| A．which | B．them | C．that | D．it |
The company used 50 percent of the raw materials, the rest of which __________ sent to other cities to help the factories there.
| A．is | B．was | C．are | D．were |
When they built this office block, they gave no _________ to the disabled.
| A．wonder | B．worry | C．advice | D．thought |