Задание 15 Юнит 12 ГДЗ Вербицкая Forward 5 класс

Приведем выдержку из задания из учебника Вербицкая, Эббс, Уорелл 5 класс, Вентана-Граф: 15 T092 in pairs, talk about the inventions.
Example:
A: When was the motor car invented?
B: In 1885.
Vocabulary
to invent sth
invention
locomotive
diesel engine
to pollute sth
pollution
poisonous
*Цитирирование части задания со ссылкой на учебник производится исключительно в учебных целях для лучшего понимания разбора решения задания.

A: When was the motor car invented?

B: In 1885.

A: When was the locomotive invented?

B: In 1804.

A: When was the diesel engine invented?

B: In 1892.

A: What does to invent sth mean?

B: It means to make or create something new.

A: What is an invention?

B: An invention is something that has been invented.

A: What does to pollute sth mean?

B: It means to make air, water or land dirty and harmful.

A: What is pollution?

B: Pollution is the dirtying of the air, water or land.

A: What does poisonous mean?

B: It means harmful or dangerous to people, animals or plants.