问题描述：
( )3.I don’t believe that this _____ boy can paint such a nice picture.选C还是A 为什么
( )3.I don’t believe that this _____ boy can paint such a nice picture.A.five years old B.five-years-old C.five-year-old
( )3.I don’t believe that this _____ boy can paint such a nice picture.A.five years old B.five-years-old C.five-year-old
问题解答：
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