Read the following article and select the best answer. Article: What must you do when you receive a present for your birthday? You have to sit down and write a thank-you note. The word "thanks" is very important. We have to use them very often. We say them when someone gives us drink, helps us to pick up things, hands us a letter or lends us a book. It is rude to ask someone to do something without saying "please". We have to use it when we ask for something, too. It may be a book or a pencil, more rice or help. We have to use "please" to make request pleasant. We have to learn to say "sorry", too. When we have hurt someone, we'll have to go up and say we're sorry. When we have forgotten something, we will say "sorry". We can make people forget wrong by saying it. These three words are simple but important. Our children must learn to use them. They are pleasing words to use in any language. Question: When we receive a birthday present, we have to_. - return it - give it to one of our friends - do nothing - write a thank-you note
A:
write a thank-you note