Beijing is one of the _______ in the world today. 
#37265
A
busiest city
B
busiest cities
C
busy city
D
busy cities
推荐题目
——Our math teacher has ____hair.
#39525
A
curly black long
B
black long curly
C
a long curly black
D
long curly black
My father told me he _____ me to the Great Wall next week.
#43551
A
will bring
B
would bring
C
would take
D
will take
_________ the fans are waiting for the popular singer outside the concert hall.
#36347
A
Two thousand of
B
Thousands of
C
Two thousands of
D
Two thousand