Размещено 5 лет назад по предмету
Английский язык
от FJJDJEKD
Complete the sentences with the correct form of the verbs from the list.
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, , , , , , , ,
Radiation
was discovered
by Pierre and Marie Curie in 1900.
Experiments in the medical university
every day.
An important discovery
by Newton when he was resting under an apple tree.
The gravity theory
many times so far.
The telephone
in the 1870s.
New methods
nowadays by teachers and lecturers to organise the studying process better.
A lot of research must
to study side effects of new drugs.
Many tests and trials