Task 2. Use the Passive Voice.
1) Radium and polonium/to discover/ Maria Curie.
2) Robert Goddard/ to launch/the first rocket in 1926.
3) “The Origin of Species”/ to write/ Charles Darwin.
4) The telephone/ to use/ to speak to other people.
5) The first computer/ to make/ in the USA.
6) The first accurate clock/ to design/ in 1657.

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