The Wright brothers invented this machine in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight"
Thomas Edison invented
In 1876 was invented
It is a portable personal computer that is small enough to be carried around and used where you are sitting. They are folded shut for transportation, and thus are suitable for mobile use
What kind of job was Alexander Bell given when he got to America?
The atomic bomb is...
What do you see in the picture?
What were the first words spoken over the telephone?
Dmitry Mendeleyev was a…
My friend ............( give) a new phone last Saturday.
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Classroom ......(clean) yesterday.
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This house..........(buy) two years ago.
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The letter .........(receive) last week.
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I ........( often / invite) to the parties.
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The flowers ........( to water) every day.
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I .......( to offer) a job last week.
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Tea .........( to grow) in India.
The science museum . . . by hundreds of people every day.
A lot of experiments . . . in Chemistry classes.
Nowadays space . . . by many countries.
This mobile phone . . . in China.
Our life . . . by inventions and discoveries.
Computers . . . by many people in different countries.
Many science books . . . in our shop.
are sold
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