What is even more important is______ the earth cooled down, water began to appear on its surface.
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A
that
B
that as
C
which
D
which as
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The reform has changed the whole nation. It cannot remain ________ it used to be.
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A
what
B
where
C
which
D
when
With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.
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A
what
B
how
C
why
D
that
Einstein’s most famous theory is ______ we call the Theory of Relativity.
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A
what
B
that
C
which
D
why
---Tell me something about your adventure in the rainforest, please.---We lost our way in the forest and ___ made matters worse was ___ night began to fall.
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A
what; that
B
it; that
C
it; because
D
what; because