When I walked past the street, seeing the children playing happily, their happy laughter _______memories of my childhood. 
#83586
A
called in
B
called for
C
called on
D
called up
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Who do you ___ we send to cover the bank robbery. 
#69902
A
know
B
suggest
C
think
D
suppose
When did you ___ him?
#80756
A
know
B
knowing
C
get to know
D
get to knowing