The structure of DNA was dicovered in 1992.
The invention of DNA had to help scientists ....
This thing was invented in 1926 and firstly demonstrated in a department store.
The first television set was made of a plastic case.
This invention was sold for Є 3800 in today's money.
These inventions were mass-produced by Henry Ford.
The first affordable cars were produced in the USA.
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What sentence is right?
Choose the right variant of the sentence.
What sentence is right?
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