1. Having drunk a cup of black coffee and read through his newspapers, he would go to his study and work there till two or three next morning — breaking off only for meals, and when the weather allowed, for a walk on Hampstead Heath.
    喝完一杯浓咖啡，再浏览一下报纸，然后他会到他的书房，在那儿一直工作到第二天早上两三点钟——只在吃饭时或是天气允许的情况下到汉普特斯希斯去散步时才会中断工作。

2. How many heath fires did they cause?
    他们引起了多少处野火?

3. How many heath fires they cause; how much litter they leave;
    即他们引起了多少场野火，留下了多少垃圾。