三、完形填空：共15小题；每题2分，共30分。通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。It's late at night. A policeman is driving through a small__21__. He isn't driving a police car.He is driving his own car. There is a traffic light __22__him. It's red, so he__23__. He waits for the red light to__24__to green. He waits a moment, but it's still red. He__25__the mirror. There is no car behind him. He looks around. There is nobody on the__26__. He waits a little longer, but it's still red. He doesn't think the traffic light is working__27__. But he cannot run a red light. He is a pol00000011iceman. He waits another few minutes, and he is sure the light is__28__. He decides to stay. He doesn't want to be in the__29__tomorrow. He doesn't want to__30__his job.He calls a number. The traffic operator（接线员）picks up the__31__."Where is it? Ah, yes. We know about it. In fact, we're going to__32__it off right now. I'm glad you're calling. At__33__you can tell me if it is off. ... It's off now?-... Good. ... Thanks for calling.”He starts the engine（发动机）and drives__34__． He is glad that he didn’t have to break the__35__.