Peter was so angry at all ____ Mary was doing ___ he walked out.
| A．what; as | B．what; that | C．that; which | D．that; that |
__________ in her most beautiful skirt, the girl tried to make herself __________ at the party.
| A．Dressed; noticed | B．Dressing; noticed |
| C．Dressed; noticing | D．Dressing; being noticing |
The farmers built long fences, __________ keeping the wild dogs out of them.
| A．aim at | B．aim for | C．aiming at | D．aimed for |
Once __________, the play was well received by the public.
| A．perform | B．performing |
| C．performed | D．to perform |
__________ more time, they will do a better job.
| A．Having given | B．To give | C．Giving | D．Given |
__________ with such a difficult problem, he decided to ask for some good advice from his colleagues.
| A．Having faced | B．Face |
| C．Faced | D．To have faced |