Have you ever been to Mount Huangshan, _____ is famous for its towering pine forests and "sea of clouds"?
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A
which
B
where
C
that
D
what
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Being a parent is not always easy, and being a parent of a child with special needs often carries with _______ extra stress.
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A
it
B
them
C
one
D
him
We have realised that ____ is much that can be done to help improve our environment.
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A
what
B
it
C
there
D
one
The name of LiuXiang will go down in history with ________ of Yuri Gagarin and Alan Shepard.
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A
one
B
that
C
ones
D
those