Question

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Are the following sentences active or passive? (Be careful! In some sentences there is more than one verb.)

1. Sophisticated devices were needed during the Second World War.
2. The invention of television was one of the most revolutionary inventions in history.
3. The first transistor was assembled in 1957 by a team of scientists at the Bell Laboratories in the U.S.A.
4. Electronics has influenced and improved people’s lives.
5. Social and personal life has been deeply affected by these inventions.
6. In this process, the mixture is heated to 120oC.
7. Once the salts have dissolved, the heat is reduced.
8. All the people who have survived the earthquake are being treated in the hospital.

Answer 1

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