While there are quite a few differences in the education system, in many countries education is ____.
#17629
A
usual
B
regular
C
normal
D
universal
推荐题目
The black horse is ______ of the pair.
#19178
A
the stronger
B
the strongest
C
strong
D
stronger
Do you think exercise can keep us ________?
#17908
A
well   
B
good   
C
fit   
D
fine