The school sports meet, originally to be held last Sunday, was finally _________ because of the bad weather.
#83248
A
called off
B
worn off  
C
set off
D
broken off
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The children ______ local accent when staying with the natives.
#65859
A
put up
B
made up
C
took up
D
picked up
Scientists have made a major ____ in cancer research. 
#83068
A
break-in
B
breakthrough
C
breakup
D
breakdown