Mr．Greenmy letter，otherwise he would have replied before noW．A.must have received

He is writing a letter now.（英译中)

听力原文：M: John has found a new job. He has to deliver a lot of letters every day.W: Poor

Mr. Green______ my letter, otherwise he would have replied before now.A．must have received

What will Mr. Stein probably do next？A．Call Mr. BriggsB．Send a letter to Mr. BriggsC．Meet

An old friend of Mr. Broker is not aware of his current changes, how can he get in touch w

He drafted a standard letter to the editor