Who will make a telephone call?

26.
M: Hi, Jane. Um...do you know how to get in touch with Jim?
W: Oh, John. I haven’ t seen Jim for a while. But you can try this phone number.
   27.
W: John. I’m going to the book store tomorrow.
M: Oh, Kate. I wish I could go with you but you know...
   28.
W: What do you plan for the coming summer vacation?
M: It depends on my exam results.
   29.
W: Hello, Smith! I hear you are planning to study abroad after college.
M: Yes. I don’t want to start working so soon.
   30.
W: Harry, the Christmas is coming soon. Let’ s go shopping for some presents.
M: Oh, God. Leave me alone.