Только нужно выбрать правильный вариант ответа A cube and a are both solids.
pyramid (v)
pyramid (n)
pyramidal (adj)

He will easily find a job with his and skills.
knowledge (n)
knowledgeable (adj)
know (v)

Prawns are grey when they're , and turn pink when they're cooked.
raw (adj)
raw (v)
rawness (n)

Profit can be calculated using the simple P = R - C (Profit = Revenue minus Cost).
landing (n)
equation (n)
data (n)

I think we've made a choice.
wisdom (n)
wise (v)
wise (adj)

1. Pyramid (n) 2. knowledge (n) 3. raw (adj) 4. equation (n) 5. wise (adj)

Объяснение:

1. what will life be like in thirty or fifty years from now? 2. how far will technology advance? 3. how will its development affect our lives? 4. people won't live in flats and houses like we have nowadays. 5. they will build environmentally friendly (smart) houses. 6. scientists will discover new cheap sources of energy. 7. this discovery will make it possible to travel long distances not only around our planet, but also in space. 8. people won't operate their computers with the help of a keyboard or a mouse. 9. they will use the power of their thoughts to surf the net. 10. 3d holographic displays will replace old computer screens. 11. new medicines will cure diseases like cancer and diabetes. 12. pharmacists will develop drugs for individual needs of every sick person. 13. people will have the opportunity to continue their education at any time and age thanks to the development of virtual worlds for educational purposes.