Share The discovery of vaccination - Past simple
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In 1796, Edward Jenner ... a doctor.
was
He ... in a small village in England.
worked
Jenner ... that people who got cowpox didn't get smallpox.
noticed
Jenner noticed that people who got cowpox ... smallpox.
didn't get
Jenner ... a boy from the village to do an experiment with him.
asked
He ... pus from one of Sarah's spots into a scratch on the boy's arm.
rubbed
Jenner ... the experiment with many people.
repeated
He always ... the same result.
got
Doctors ... to use and develop Jenner's vaccination theories.
continued
Leonardo da Vinci ... the Mona Lisa.
painted
Leonardo ... also a scientist and an inventor.
was
He ... some musical instruments and a type of clock.
invented
He also ... this flying machine.
designed
Josephine Cochrane ... an idea.
had
She ... to design a machine to wash dishes.
wanted
She ... science and mechanics.
studied
