21.I'm Alan Brown.I'm twelve years old.Tom Miller is my good friend.Tom and I are in Xinghua Middle School in China now.Today( 今天)I meet Tom and a boy. "Good morning,Tom," I say. "Good morning,Alan.This is my friend Mike Smith.He is in Xinghua Middle School too.Mike,this is my good friend Alan," Tom says. "Hi,Alan.Nice to meet you," the boy says. "Nice to meet you too,Mike.Your blue jacket is nice," I say. "Thanks!" the boy says. "Tom,what's this?" I say. "It's my telephone.And my telephone number is 652 358," Tom says. "OK!" I say.