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2 Complete the second sentence in each pair using a passive form of the verb in bold. 1 a Alexander Parkes invented plastic in 1862. b Plastic was Invented by Alexander Parkes in 1862. 2 a Various companies developed a number of different types of plastic over the next 70 years. b A number of different types of plastic.... over the next 70 years. 3 a Drinks companies didn't introduce the first 4 commercial plastic bottles until 1937. b The first commercial plastic bottles.... until 1937. a People in the USA consume drinks from 1,500 plastic bottles every second. b 1,500 drinks in plastic bottles.... by people in the USA every second. 5 a Steel water bottles will replace plastic bottles in- the next twenty years. 6 b Plastic bottles.... by steel water bottles in the next twenty years. a In 50 years' time, shops won't sell bottled water.​

Răspuns :

Răspuns:

salut

Explicație:

2 b Various types of plastic were developed by various companies over the next 70 years.

3 b The first commercial plastic bottles weren't introduced until 1937.

4 b 1,500 drinks in plastic bottles are consumed by people in the USA every second.

6 b Plastic bottles will be replaced by steel water bottles in the next twenty years.