Miss Jennifer Wong's address is 45 Alexandra Road, Singapore 0315. Use semiblock style with standard punctuation.
You have received a copy of office Guide Book from Miss Jennifer Wong, you best friend in Singapore. Write a thank-you letter to her expressing your appreciation for her thoughtfulness in sending you this generous gift.
This book will be very helpful to you office as it contains many facts and ideas about modern office equipment and its efficient use. Sign your name as Pimsiri Deesakul and use your home address as the return address.