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
推荐题目
In our city, ________ college students want to work in West China in the future. 
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A
million
B
millions of
C
million of
D
three millions of
—When were you born?—I was born _________.
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A
on July 10th, 2000
B
in July 10th, 2000
C
in 2000, July 10th
D
on 2000, July 10th