3 Complete the following text using the simple past tense.
I am a student and I like to learn about the inventions that were (create)______
by people who have (change)_______
world to be better.
the
Vaccines was the best inventions to save humanity. Janner (create)______
the first vaccine and it is (consider)_____
the father of immunology.
The light bulb is another innovative invention that was (discover)______
by Edison, without that brilliant invention we
would still be with candle.
Penicillin was (develop)______
by Flemming is one of the
best antibiotics currently used to fight infections in winter.
The lastest inventions that have (revolutionize)_______
fiber optic, internet and microchip have all become essential for the
development
and progress in society.
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