Communication is a process of sending and receiving information among people. It helps to spread knowledge and information.Communication is important like breathing. Without it, people will be poor and miserable. The way people communicate is always changing, especially for those who are far away from each other.Years ago, if a person wanted to keep in touch with his friend living in a different town, he had to send letters. It could take weeks or even months. After Alexander Graham Bell invented telephone, people could contact more simply. They could talk immediately and personally to one another, even if they were miles apart. Telephone helps keep communities close.This invention also made business more efficient. Businessmen could reach a wide range of customers without seeing them in person. It opened up a new page of human history.Today, we can easily communicate with people all over the world in many different ways due to the rapid development of technology. We can talk on phones, text messages, send emails and even make video calls. People can not only meet face-to-face but also meet online. Communicating and sharing knowledge are becoming easier than ever in this digital world. Questions : 1. According to the text, what is communication ? 2. How did people keep in touch before the telephone was invented ? 3. Did Alexander Graham Bell invent the telephone ? 4. What makes communication easier today ?