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I saw       children in the classroom, five boys and seven girls.
#51091
A
nine
B
thirteen
C
eleven
D
twelve
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I'm 13 years old and my sister is 15 years old. So my sister is
#51712
A
one
B
two
C
three
D
four
About _____ of the world population is Chinese.
#51889
A
one third
B
one fourth
C
one fifth
D
one sixth
Some scientists believe that there will be more robots in       years.
#50952
A
hundreds of
B
hundred of
C
two hundreds of
D
two hundreds
There are two _______students in my school.
#51822
A
hundreds
B
hundred
C
hundreds of
D
hundred of
Today is my brother’s __________ birthday. Can you come to this party?
#51245
A
twelve
B
the twelve
C
the twelfth
D
twelfth