Question

【题目】The _______ man's son is only _______.
A.50-year-old; 5-year-old
B.50 years old; 5 years old
C.50 years old; 5-year-old
D.50-year-old; 5 years old

Answer 1

【答案】D
【解析】句意：那位50岁男子的儿子只有5岁。复合形容词，只能用来作定语，不能作表语。排除A,C;复合形容词的构成为：数词+名词，形容词之间要用连字符号，且名词用单数形式。所以答案是D。