Never before in our country_____.
| A．has such a thing happened | B．such a thing has happened |
| C．has so a thing has happened | D．so a thing has happened |
During the days ___________, he worked as a servant at the Browns.
| A．followed |
| B．following |
| C．to follow |
| D．that followed |
___________ around the fire, the tourists danced with the local people.
| A．Gather |
| B．To gather |
| C．Gathering |
| D．To be gathering |
—Are you pleased with what he has done?
—It couldn't be ___________ Why didn't he put more effort into his work?
| A．any worse |
| B．much better |
| C．so bad |
| D．the best |
First impressions are the most lasting. After all，you never get ___________ second chance to make ___________ first impression.
| A．a；the |
| B．the；the |
| C．a;a |
| D．the;a |
Gloria slowly ___________ her threatening attitude when she heard what I said.
| A．relaxing |
| B．relaxed |
| C．relax |
| D．to relax |