The old man is my grandfather.
A. eighty-years-old; like
B. eighty-year-old; likes
C. eighty-year-old; like
D. eighty years old; likes
网友回答
A. eighty-years-old; like
B. eighty-year-old; likes
(答案→)C. eighty-year-old; like
D. eighty years old; likes
解析：句意：这个八十岁的老人像我的爷爷。eighty-year-old八十岁的，相当于形容词，连词符号中的名词不加s, is like像…,故选C.