填空题

The dog, called Prince, was an (26) animal and a slave to Williams. From morning till night, when Williams was at home, Prince never left his sight, practically (27) all other members of the family. The dog had a number of clearly (28) duties, for which Williams had (29) trained him and, like the good pupil he was, Prince lived for the chance to (30) his abilities.
Williams was an engine driver. Over the years Prince got to know when his master would leave the house and return, and the dog did not waste this (31) . If Williams overslept, as he often did, Prince (32) at the bedroom door until he woke, much to the (33) of the family. On his return, Williams’ slippers were brought to him.
A curious thing happened to Williams during the snow and ice of last winter. (34) . He was so badly shaken that he stayed in bed for three days; and not until he got up and dressed again did he discover that he had lost his wallet containing over fifty pounds. (35) . However, two days later--that was five days after the fall--Prince dropped the wallet into Williams’ hand. (36) and a few other papers.