→作文｜With the development of internet, second-hand market, which provides an opportunity for people to exchange their second-hand goods…〔01-09〕

  →作文｜I have a penfriend. His name is Lee. He is a eleven years old American boy. We haven’t seen each other, but we have exchange…〔03-15〕

  →作文｜Communication is the activity of conveying information through the exchange of thought, messages, or information. ...…〔02-20〕

  →作文｜blog is good stage for people to express and exchange information, which is the basic reason why it’s so popular. However, p…〔12-18〕