---Is that Mr. Green?
---No, Mr. Green is an ______ man. But this man is only about ______.A.80-year-old; 18 years oldB.80-years-old;18 years oldC.80-year-old;18-year-oldD.80 years old;18-year-old
网友回答
A解析80-year-old为复合形容词作定语，year不用复数，某人18岁，用18 years old。选A。