Change the sentences from active into passive with the preposition by. 1. Thomas Edison invented the phonograph in 1877. (8

2. Marie Curie discovered radium in 1898.hat

3. Gabriel Garcia Marquez wrote One Hundred Years of Solitude in 1971.

4. Tim Berners-Lee developed the World Wide Web in 1989.

5. Woo Paik produced the first digital HDTV (high-definition tele- vision) in 1991.

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