根据情况补全对话。
（1）A:Hi, Li Ming. Is this pencil yours?
B:No, it’s not mine.       
A:Maybe it’s Wang Fangs.
B:May they’re Toms.
C:Maybe it’s Mike.
（2）A:Is your mother a teacher?
B:No, she isn’t.
A:        .
B:She is a nurse.
A:Whos she?
B:What does she do?
C:Is she a worker?