假如你是李华 曾在美国学习半年 现已回国 给在美国的同学Tom写一封信
问题描述：
假如你是李华 曾在美国学习半年 现已回国 给在美国的同学Tom写一封信
答
dear tom, how have you been doing all these days?we haven't seen each other since I came back from America. How I miss you! First of all,I'd like to express my gratitude to you for your kind help wi...