Do you use the Internet？Do you know what it is？The Internet is made up of millions of（1）1 all over the world that connect together and talk to（2）2 other.
The Internet is（3）3 in many ways. You can shop，look for information and（4）4 mail. When you send a message（5）5 the Internet，it is called email. （6）6 email，you should get an email address. This is easy and usually free.
Email is quick. It can take days or weeks for a paper letter（7）7 somewhere，but an email arrives in a few（8）8 . With email，you can also send copies of your letter to as（9）9 people as you want. You can（10）10 send pictures，sounds and videos with your email. But there are still some things that you cannot（11）11 using email. For example，you cannot send（12）12 things like flowers or a box of chocolates.
Of course，if your friend does not have a computer（13）13 an email address，you cannot send them an email. But as email is（14）14 ，almost everyone uses it. （15）15 one day paper letters will disappear.
