—Which number is next to sixteen?—________. 
#51632
A
Twenty
B
Fifteen
C
Thirty
D
Nineteen
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—How many students are there in your school?—_______ students, I think. 
#51431
A
Thousand of
B
Three thousands
C
Three thousand
D
Three thousands of
--- What does “three quarters” mean, Li Ping? ---I see. It means __________.
#51028
A
15 minutes
B
one third
C
fourth three
D
three fourths
This is the      time during      days that he has made the same mistakes. 
#51052
A
second; third
B
two; three
C
two; third
D
second; three
           There aren’t many people in the village since ______ of them ______ moved to the town nearby.
#51724
A
two-five; have
B
second-fifth; has
C
two-fifths; have
D
two-fifths; has
Sandy lives on ________ floor.
#51544
A
thirteenth
B
thirteen
C
the thirteen
D
the thirteenth