When ________ why she could speak English so well, she just smiled and said nothing.
| A．asking | B．to be asked | C．was asked | D．asked |
84. Can't you keep your dog _______coming into my yard? It is always disturbing us.
| A．off | B．into | C．out | D．From |
83. It is said that Hong Kong will be joined _____ the mainland _____ a beautiful bridge on the sea in the near future.
| A．by; with | B．with; by | C．by; to | D．to; by |
82. When we heard the news that our team has won more than 30 gold medals Athena Olympic Games, we sang and danced _____ joy.
| A．to | B．with | C．at | D．Of |
81. In order to finish the work in time，they always worked far______ the night.
| A．in | B．onto | C．at | D．into |
80. Last week, we had a meeting. I told the chairman that I couldn’t attend it for I had something important to do, but he insisted _____ my being present.
| A．on | B．in | C．to | D．At |