The bald eagle (秃鹰）__________ the United States.
| A．relates |
| B．takes the place of |
| C．represents |
| D．stand for |
85. You should say "I am sorry " when you knock ________ somebody.
| A．at | B．in | C．to | D．into |
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 |