She had no sooner finished her task ________ it began to rain.
85. You should say "I am sorry " when you knock ________ somebody.
84. Can't you keep your dog _______coming into my yard? It is always disturbing us.
83. It is said that Hong Kong will be joined _____ the mainland _____ a beautiful bridge on the sea in the near future.
82. When we heard the news that our team has won more than 30 gold medals Athena Olympic Games, we sang and danced _____ joy.
81. In order to finish the work in time,they always worked far______ the night.