The Internet is the____(big) source of information in the world, which consists of millions of____(page) of data. It dated back to 1969 when a US defense organization developed a way for all____ (they) computers to “talk” to each other through the telephone. Thus DARPANET, a network of computers ____ (come) into being. But it was only used by the US army. Then in 1984, the NSF started the NSFNET network____ became known as the Inter-Network. Later an English scientist came up____ the idea of World Wide Web while ____ (work) in Switzerland in 1989. He designed the first “web browser”, allowing computer users____(access) documents from other computers. From that moment on, the Internet grew. Within five years____ number of Internet users rose from 600,000 to 40 million. Now, the Internet is used____ (wide) all over the world.