听短文,根据短文内容,选择最佳答案。
17. Jack is a ________.
A.large police dog | B.small clever dog | C.young visitor |
18. Jack was worried because ________.
A.he wanted to eat something |
B.he didn’t know the young man |
C.he wanted to go for a walk |
19. Jack ________ when the visitor talked and talked.
A.went outside to play balls by himself |
B.shouted at the visitor and asked his owner for help |
C.sat down in front of the visitor and looked at him |
20. The visitor went on talking and he ________.
A.didn’t like Jack |
B.didn’t pay attention to Jack |
C.didn’t pay attention to his friend |
21. At last Jack sat down again with ________ in his mouth.
A.his cap | B.the visitor’s cap | C.his cake |