—How dare(敢) you talk to your teacher like that?
—Well, now I regret ______ that.
| A．to do | B．to be doing | C．to have done | D．doing |
Dan caught two ________birds in the wood last week and they are still ________in the cage.
| A．alive; live | B．live; live | C．live; alive | D．lived; alive |
These doctors are busy day and night, a cure for AIDS.
| A．bringing on | B．pulling on | C．taking on | D．working on |
Just as the food a person eats and the friends with whom he spends his time, his house ______ his personality.
| A．reforms | B．reacts | C．resembles | D．reflects |
When she heard the good news, there appeared a ___ smile on her face.
| A．satisfying | B．satisfy | C．satisfaction | D．satisfied |
The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good ______
| A．expectation | B．reputation | C．contribution | D．civilization |