The tall building has ______ floors. And Tony lives on the ______ floor.
#50954
A
twelve; twelve
B
twelfth; twelfth
C
twelfth; twelve
D
twelve; twelfth
推荐题目
          of the students in our school are boys. 
#51285
A
Second-threes
B
Two-third
C
Second-twos
D
Two-thirds
It may take _________ years to make such robots .        
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
Each of us has to write a ________ report every two weeks.
#51875
A
two-hundred-word
B
two-hundreds-word
C
two-hundreds-words
D
two-hundred-words
          people visit the museum  every day.
#51185
A
Million of
B
3 million
C
3 millions
D
3 millions of
Tibet has been a part of China since _________ years ago.
#51678
A
hundred
B
seven hundreds
C
hundreds of
D
seven hundred of