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I. Напишите следующие предложения в Simple Past Passive.
1. Henry John Heinz introduced canned food in 1869.
2. The USA introduced the world*s first traffic light in 1914.
3. In 1893 Henry Ford built the first car.
4. Robert Goddard launched the first liquid-fuelled rocket in 1874.
5. In 1846 Elias Howe invented a sewing machine.

II. Найдите ошибки в предложениях и исправьте их.
1. Mathes have been invented by John Walker in 1827.
2. Canned food was invented long before instant coffee was made.
3.By the time the first vacuum cleaner had been built the telephone had been invented.
4. By the beginning of the 21st century the idea of cloning was developed.
5. The electric arc has been discovered by V. Petrov in 1802