The disc, digitally ______ in the studio, sounded fantastic at the party that night.
| A．recorded | B．recording |
| C．to be recorded | D．having recorded |
Her teacher helped her so much that she bought him a beautiful pen _________.
| A．by turns | B．in return | C．in answer | D．in turn |
His disappearance(失踪)______ by the police.
| A．looked at | B．will be looked in | C．is being looked into | D．has been looked up |
The government tried ____ they could ____ the people in Yushu
| A．all; help | B．what; to help | C．that; help | D．that; to help |
Former IOC (the International Olympic Committee) president Samaranch’s death is believed ____ by heart attack.
| A．causing | B．being caused | C．to be caused | D．to have caused |
It is suggested that he _______ a doctor at once.
| A．see | B．sees | C．must see | D．saw |