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Listen carefully and fill in the blanks with the exact words you have just heard. The rapid spread of new technology in Africa is changing the way people receive ( 1 ). Traditionally, vast numbers of Africans relied on radio to keep ( 2 ). Over the past 20 years, the number of ( 3 ) in Kenya has rapidly grown from 10 to more than 130. The technology company Ericson predicts that ( 4 )of mobile phones in sub-Saharan Africa will increase 20-fold in the next five years. That's ( 5 ) the rate in the rest of the world.