_____ of the students who took part in the military training is 450.
#4659
A
A number
B
A lot
C
Lots
D
The number
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He prefers to die rather than ________ to his enemies.
#4633
A
give up
B
give out
C
give in
D
give off
The problems      at the meeting tomorrow are really hard to solve.
#4945
A
discussed
B
to discuss
C
to be discussed
D
discussing