Diamond, _________, is the hardest of all materials.
#78514
A
like we know
B
since we know
C
we know
D
as we know
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After 10 years of hard work , the lady has turned into a movie star, _________ she dreamed of becoming in her childhood.
#76884
A
whose
B
what
C
that
D
which
Children are excited about the approach of Christmas, _____ may bring great happiness to them.
#77085
A
it
B
which
C
what
D
that