In our city the street lights turn on .
| A．at the night |
| B．at the dusk |
| C．at dusk |
| D．at midnight |
84. Whether she likes the play or not is a matter of her _______ preference. Which of the following cannot be put in the blank?
| A．personal | B．private | C．own | D．Self |
83. Although she tried her best to make her work _______, yet she failed in the end.
| A．complete | B．well | C．perfect | D．Good |
82. Don't be in such a hurry. There are _______ passengers in the bus.
| A．many | B．a few | C．few | D．quite a few |
81. Our cadres, whether high or low in their official rank, are the people’s public servant and _____workers.
| A．common | B．ordinary | C．usual | D．Normal |
80. Materialism isto idealism just as truth is opposed to falsehood.
| A．against | B．oppose | C．opposite | D．Opposition |