________________of the students who took part in the military training(军训) is 450.
#6071
A
A number
B
A lot
C
Lots
D
The number
推荐题目
The little boy is clever.He has _____.
#7368
A
brain
B
a brain
C
the brain
D
brains
Please refer to the   before you switch on the engine.
#5486
A
introductions
B
explanations
C
instructions
D
expressions