When a fire _________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.
#78027
A
broke off
B
broke out
C
broke down
D
broke up
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Farmers here _________keeping the soil rich and _________diseases.
#72393
A
focus on…free of
B
center … free from
C
attend on… free of
D
depend on… free from