—Hi, Mark. How was the musical evening? —Excellent ! Alex and Andy performed ___________ and they won the first prize.
Two hundred people showed up for the wedding, about 50 more than we had ____planned.
You were silly not ______ your car.
During that time, Mr. Li was wondering why she dropped chemistry and ____ medicine.
The noises of the aeroplanes almost _____ the people living near the airport mad.
The public were deeply _____ the safety of the miners in the mine disaster. A. concerned about B. interested in C. amazed at C. disappointed by