问题
选择题
I'm 12 years old. My sister is younger than me. She is ____________ years old.[ ]
A. 11
B. 12
C. 13
答案
答案：A
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I'm 12 years old. My sister is younger than me. She is ____________ years old.[ ]
A. 11
B. 12
C. 13
答案：A