High school students continue to work hard, _______ they often complain about great burdens and pressures in their life.
#31311
A
as if
B
as long as
C
unless
D
even though
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________ time went by, small clever animals covered the earth and have become the most important animals on the planet.
#31981
A
With
B
As
C
Because
D
During
. It is only when we cannot see clearly _____ we come to see ______ important our eyes are.
#34306
A
that; what
B
which; what
C
that; how
D
which; how
The house, ______walls are red, is where my grandfather used to live ten years ago.
#31106
A
which
B
of which
C
whose
D
that
—What are you going to do this afternoon?—I’ll probably go for a walk later on________it stays fine.
#31226
A
as far as
B
so long as
C
even if
D
as though