你有一位美国笔友汤姆 他想了解石家庄近况,给他写封信 过去 路少且窄 公园少 空气污染严重 现在 路多而宽,畅通 新建很多公园 空气质量提高

Dear Tom,Thanks for your letter and I am very glad to introduce Shijiazhuang to you.You can not imagine how Shijiazhuang was before.In the past,the street is narrow and there were not many streets in ...