—You know,Bob is a little slow ________understanding.—So I have to be patient________him.
#25163
A
in;with
B
on;with
C
in;to
D
at;for
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It’s known ___ us that a mouse has a good nose ___cheese. 
#25929
A
for ; for
B
to ; for
C
by ; to
D
by ; at