[解析]
13.A 14.C 15.B W:Hi
M:Oh,hi!What are you doing now?
W:Nothing much.
M:A famous art teacher will come to our school and give us a talk on how to draw well.Would you like to come?
W:Sure.When will it start?
M:At 2:30 on Saturday afternoon.
W:Where will it be held?
M:In the second meeting hall.Don't be late.
W:I won't.See you then.
M:See you.