题目内容
【题目】________should not be allowed to go out at night．
A．Twelve-years-old
B．Twelve-year-olds
C．Twelve year old
D．Twelve years olds
【答案】B
【解析】twelve-year-olds意为“十二岁的孩子”。
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题目内容
【题目】________should not be allowed to go out at night．
A．Twelve-years-old
B．Twelve-year-olds
C．Twelve year old
D．Twelve years olds
【答案】B
【解析】twelve-year-olds意为“十二岁的孩子”。