题目内容：

新概念英语原文填空（答案可能是一词或多词）

When he had killed the guard, the prisoner of war quickly dragged him into the 1.. Working 2. in the darkness, he soon changed into the dead man's clothes. Now, 3. in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp. He could hear shouting in the camp itself. Lights were blazing and men were running here and there: they had just discovered that a prisoner 4.. At that moment, a large black car with four officers inside 5., stopped at the camp gates. The officers got out and the prisoner stood to attention and saluted 6. they passed. When they had gone, the driver of the car came 7. him. The man obviously wanted to talk. He was rather 8. with grey hair and clear blue eyes. The prisoner felt sorry for him, but there was nothing else he could do. As the man came near, the prisoner knocked him to the ground with 9. sharp blow. Then, 10. into the car, he drove off as quickly as he could.