The internet (1) (to be) a computer network that (2) (to stretch) around the world. it (3) (to make) up of millions of computers. data can (4) (to travel) from any computer on the network to any other computer. the internet (5) (to begin) in the 1960s, when research agencies in the usa (6) (to built) their our communication network. other organizations, such as universities (7) (to join). as home computers (8) (to become) cheaper and more popular in the 1990s, the internet began (9) (to expand) quickly with anybody being able (10) (to use) it via a telephone line. the internet use (11) (to fall) into two main areas — e-mail and the world wide web. with e-mail, it is possible (12) (to send) a text message almost instantly to any place on the earth. the web (13) (to know) to be a huge information-gathering system. it (14) (to allow) one computer (15) (to connect) to the internet (16) (to ask) for and copy files from another country. the files (17) (to store) in standard from so that any computer can (18) (to read) them.