They have banned unhealthy snacks in the canteen -------> Unhealthy snacks in the canteen _____________.
have been banned
Many soldiers, who _______ (treat) for their battle injuries in hospitals, caught the disease.
were being treated
Five hundred million people across the world __________ (infect) with the virus between 1918 and 1920
were infected
The plague was killing hundreds of people every day ------> Hundreds of people every day _______ by the plague.
were being killed
Flu can still be a dangerous illness and research_____ (do) at the moment to try to develop stronger and more effective vaccinations against it.
is being done
Alexander Fleming discovered penicillin in 1928 --------> Penicillin ___________ by Alexander Fleming in 1928
was discovered
We grow tomatoes, lettuce and cucumber in the garden ------> Tomatoes, lettuce and cucumber ___________ in the garden.
are grown
Historians believe that, by the end of 1920, 100 million people_______ (kil) by the virus.
had been killed
In 1918, just as the First World War was ending, there was a major outbreak of flu. Today, this virus ___________ as ‘Spanish Flu’.
is known
By the beginning of the 21st century, the new medicine had saved many lives---------> By the beginning of the 21st century, many lives ___________ by the new medicine.
had been saved
Scientists are developing new cures for illnesses every day --------> Every day, new cures for illnesses __________.
are being developed
If you do more exercise, it will improve your health ------> Your health ____________ if you do more exercise.
will be improved
New treatments ______ (test) and in the future, scientists hope that a cure_________ (discover) .
have been tested, will be doscovered
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