完形填空（共15题，每小题1分，满分15分）
阅读下面短文，掌握大意，然后从短文后各题所给的四个选项（A、B、C和D）中，选出最佳答案，并在答题卡上将该项涂黑。
A long time ago, in a small house in Scotland, two friends lived together. Their names were John and Bobby.
John and Bobby were not  16   , and they had few things except friends,    17    they were happy. They lit a warm fire when it was cold outside. They had food to eat when they were hungry. They were  never     18     because they had each other.
John and Bobby     19     to take long walks together. After their     20     John usually cooked the dinner. John and Bobby ate the dinner and then     21    in front of the fire. They had a(n)     22     but happy life.
Then John developed a(n)     23     disease and died in the spring of 1858. He was  24     in a grave (坟墓). After that, Bobby stood at John’s grave and shouted. “Come on, Bobby,” John’s     25     said. “It’s time to go home.” Bobby went home, but later he returned to the grave. He     26     near it. He stayed there all night.
Bobby stayed at the grave site the next day, and the day after another. For the next 14 years, Bobby never left the    27    . When the weather was cold, he slept in a small house near the grave. When it was     28    , he slept on the ground near John’s grave.
29    , in 1872, Bobby died, too. John’s friends buried him in a     30     grave near John’s. Why was Bobby’s grave so little? Bobby, John’s best friend, was a dog.
16. A. rich                  B. lucky          C. beautiful      D. funny 
17. A. and               B. or         C. but             D. so
18. A. lonely           B. alone         C. worried                D. separate
19. A. failed   B. competed  C. imagined         D. liked
20. A. work           B. rest     C. run                 D. walk
21. A. sang                B. talked          C. sat    D. studied
22. A. hard                 B. sad          C. easy         D. simple
23. A. serious  B. unhealthy   C. big     D. sick
24. A. put                   B. escaped       C. stored         D. buried
25. A. friends B. children  C. parents   D. brothers
26. A. got up    B. turned down         C. sat down D. put up
27. A. garage   B. grave         C. home          D. town
28. A. cool                  B. warm        C. wet                D. rainy
29. A. Luckily    B. Quickly        C. Finally   D. Interestingly
30. A. large     B. small    C. firm     D. weak