Beijing is one of the ______ in the world today.
#61400
A
busiest city
B
busiest cities
C
busy city
D
busy cities
推荐题目
He is ________ than ______ boy in the football team.      
#61573
A
cleverer, any one
B
cleverer, any
C
cleverest, any
D
cleverest, any other
  _________ you start, _________ you’ll finish. 
#60717
A
Sooner; quicker
B
The sooner, the quicker
C
Sooner, more quickly
D
the sooner, the more quickly