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Children's Center
A: Hello.
B: Hello. May I speak to Peter, please?
A: This is Peter speaking. Who's this?
B: This is Jack. Would you like to go to the museum with me?
A: Sure! When?
B: At 2:00 in the afternoon. See you then.
A: See you.
Let's write
     
Bill: Hello. May I_____________________
Andy: This is____________________Who's
Bill: This is__________________________