After_____,they finally paid off all their debts. A.10 year hard work B.10 years of hard work C.10-years hard work D.hard work of 10 years' How to choose and why?Thanks.
The answer is B. 原因:A项,当数词+可数名词+名词时只有2种形式, 一是数词为单,可数名词就不用加复数了.但是中心词是hard work,所以这种表达在这里也说不通. 将选项改成:10-year-hard work就正确了. 数词+连词符号+可数名词单数+连词符号+名词(陈述中心词) B项,10 years of hard work为正确...