He isn’t very successful ________a singer but he is quite known ________his music.
34.Our new library is ______the old one.
33. Once ____you may feel uncomfortable.
The party last night was ____great success. We sang and danced until it came to __end at 12.
31.By the time we _____the airport, the plane_____.
30. Because of the heavy snow, a serious accident______to the family.