We carefully compared the result of the first experiment with_______ of the second one.
#52739
A
it
B
that
C
the ones
D
this
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This is _________ toothbrush and that is _________. 
#54921
A
you; me
B
yours; mine
C
your; my
D
your; mine
Study hard, and      will be difficult.
#39235
A
everything
B
anything
C
nothing
D
something
My hair is shorter than ___________.
#53514
A
him
B
she
C
hers
D
her