He and his brother are as tall as ____.
#16741
A
each of them
B
themselves
C
each other
D
each other’s
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I didn’t have _____ to say, so I said _____. 
#56804
A
important something; anything
B
anything important; nothing
C
important anything; something
D
nothing important; something
There must be _____ book which could help . 
#17130
A
some
B
any
C
one
D
one useful