The number 5.12 is a special number, ______I think, that will be remembered by the Chinese forever. 
#16234
A
what
B
it
C
which
D
one
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The tables and pictures help make ________ clear ________I wasn't sure of before.
#16777
A
it; for me to understand what
B
it; everything
C
everything; to understand what
D
/; what