Read the following text and fill in the blanks with suitable words from the box. There are more words than needed. Make any grammatical change if necessary:

even	distance	watch	information	become	source
run	show	channels	vary	set	programmes

Television has (a) ________ the most common and widespread (b) _______ of entertainment of the present world. A wide range of programmes of (c) _________ interest is telecast on numerous (d) _________ Almost every middle class and (e) _________ working class families _________ have a television set today. Television(f) __________ are not only enjoyable but also highly educative. For example, television is used for (g) ________ learning. Courses (h) _________ by the Open University are (i) _________ on BTV. Several channels like the discovery and The National Geographic channels telecast highly (j) _________ programmes.