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
Wild animals have __________ living areas. Instead, the number of the farms is getting _________.
#60832
A
a few; fewer
B
many; smaller
C
less; more and more
D
fewer and fewer; larger
─Which dress is _____, the blue one or the yellow one?─It depends on you. 
#60640
A
beautiful
B
more beautiful
C
most beautiful
D
the most beautiful