Imagine that you (your name is Nam) have invited an english friend,John to stay with you this summer,but there are some reassons that you have to stop this plan

Write a letter (about 90-100 words) to John. (Your name is Nam)

these notes must be in your letter

       * Say sorry to John

       * Explain why the visit has to be stopped

       * Suggest when it would be convenient for John to come