3)How many languages could our scientist M. Lomonosov speak?
how high is Everest?
How many lessons have they on Monday?
How old are your father?
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4) safety
competition
travelling
writer
independence
5) A)is eaten
were received
will be sent
was given
are built
will be done
B)The electric bulb was invented by Thomas A Edison in 17th century
the flowers are waterd by them regularly