补全对话
(A)从方框中选出适当的句子抄在空白处，完成对话，有两项为多余选项。
A: Hello, Jim! Have you seen Eric?
B: No, I haven’t. What’s up?
A: I have found a yellow jacket on the playground. 
B: It can’t be his. The jacket is much too small for him.
A:   I saw him on the playground just now.
B: But Tony’s jacket is black.
A: 
B: Let me have a look. Oh, it must be John’s.
A: 
B: Look! I found this student ID card in one of the pockets.
A:   Let’s go and give it to him.
B: OK. He must be in the library. Let’s go.