The president spoke at the business meeting for nearly an hour without _____  his notes.
#68754
A
looking down
B
bringing up
C
trying on
D
referring to
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My father walked _____ in the room, looking as if he was thinking over something.
#83080
A
now and then
B
up and down
C
again and again
D
over and over
The problem___deciding how to get some financial support.
#83529
A
lies in
B
results in
C
depends on
D
is based on