I have learned that it's taking ________ long time to become ________ person I want to be.
#11326
A
the; a      
B
a; the
C
the; the
D
/; a
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custom                 
#14161
A
measure
B
upstairs
C
respect
D
sugar
Population experts say that by 2050 the world will have about 2 billion people aged over 60,____as today.
#14137
A
as three times
B
three times as many
C
three times many
D
three times many as