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Альманах педагога
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"English" (10 класс)
Вопрос №1.
The theory ... by Einstein is famous.
proposed
was proposed
net
Вопрос №2.
Little ... that the project would fail.
they knew
did they know
they know
Вопрос №3.
It's high time we ... something about it.
do
did
done
Вопрос №4.
Should you ... any problems, contact me.
have
has
net