In much of the animal world,night is the time________for sleep—pure and simple.
#11059
A
set aside
B
set down
C
set off
D
set up
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--- Ouch! You stepped on my toe!--- I’m sorry, I didn’t __________.
#13223
A
mean to
B
mean to do
C
mean to have
D
mean to step
A quarrel _________, which made him __________ his family.
#13423
A
was broken out; break away
B
broke out; break away from
C
was broken away; break down
D
broke down; break out