The population problem may be ______ one of the world today.
#61256
A
the most
B
most difficult
C
the greatest
D
more interesting
推荐题目
Eighteen kids died in the school bus accident in Gansu Province. It’s _____ one that I have ever heard of.
#61325
A
a very serious
B
a more serious
C
the most serious
D
the least serious
— Which do you think is ______ subject, math, music or art?— Art, I guess. 
#61334
A
interesting
B
more interesting
C
most interesting
D
the most interesting
Who is _________, your mother or your father?
#61067
A
smart
B
smarter
C
more smart
D
Smartest