Question

--Is that Mr. Green?
---No, Mr. Green is an ___________ man. But this man is only about _________.

A．80-year-old; 18 years old	B．80-years-old;18 years old
C．80-year-old;18-year-old	D．80 years old;18-year-old

Answer 1

A

80-year-old為復合形容詞作定語，year不用復數(shù)，某人18歲，用18 years old。選A。