Вставь пропущенные слова в памятку, которую мистер Гринвуд написал для своих учеников. write, address, paper, post office,

How to write and send letters:

1) Take clean paper and a pen. 2) Sit down and write a letter. 3) Put the letter into an envelope. 4) Put a stamp on the envelope. 5) Write an address on the envelope. 6) Take your letter and go to the post office. 7) Find a letterbox and post the letter.