【答案解析】范文： Dear Tom, How are you? I have received your letter and thank you for writing to me. My brother Mingming and I are busy learning English now. Every day we study English on the radio, and we go to English Corner near our school every Saturday morning. We work hard. By the way, we are going to take a journey/will go to Beijing next month. We' ll go to the Great Wall. I think we can have a good time. Would you like to go with us? Yours, Ling Feng