In December, 2009, 46-year-old Phil Belfiore was teaching his students how to write a pastiche （模仿作品） of Robert Frost's poem. He liked the 1 he had written for them, so he 2 it on his answering machine（电话答录机）. That brought an unusual 3 to him.
When Phil returned from New Year vacation, he listened to 4 . One gentleman said he was sorry for dialing wrongly. He added he heartily5 the poem. Phil laughed and thought nothing more about it. 6 , the phone rang days later. Phil recognized the voice. "He7 for bothering me, but he wanted to hear the poem again, " recalls Phil. The caller is John, 73 years old. It turned out that his brother's number was8 to Phil's；thus the wrong call happened. "I told him to call back anytime. "
That was 11 years ago. They've talked regularly ever since. John 9 most calls. Phil will ring if a long time has passed and he has any 10 to worry. "We always 11 each other when there's been a storm or a sports event, " Phil says. Gradually, their conversations grew more 12 . "We talk about health, finances, and whatever else comes up. "
They planned twice to visit the other, but circumstances13 their plans. They haven't gone to a game or had a coffee together. Neither14 the "haven't", as picking up the phone is enough. "My best friend is someone I've not yet15 , " says John.
