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Mobile phone is one of the wonders of modern science. It has (a) _____ a new dimension to our way of life and to the communication system. It is a telephone system that (b) _____ without any wire. Obviously, mobile telecommunication (c) _____ a part of modern life. Nowadays (d) _____ a mobile phone is not a luxury in a poor country like Bangladesh. People across the globe (e) _____ mobile phones for rapid communication with their near and dear ones.