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
The_______ you are in the exam, the_______ mistakes you will make.  
#61287
A
carefully, few
B
more careful, fewer
C
more carefully, fewer
D
more careful, less
Look at that red car! I think it’s          in the world.
#61122
A
more beautiful
B
so beautiful
C
the most beautiful
D
such beautiful
We have two ears and one mouth so that we can listen         we speak .
#60654
A
as twice much as
B
as much as twice
C
twice as much as
D
as much twice as
Lucy is one of ________ in her class.
#61165
A
the good student
B
the better student
C
the best student
D
the best students
Everything is getting                . 
#60741
A
good and better
B
better and better
C
best and better
D
best and best