用30 years或30-year填空:Our school is a school with a ( ) histor

问题描述:

用30 years或30-year填空:Our school is a school with a ( ) history.
请告诉我你为什么这么选择.谢谢
1个回答 分类:英语 2014-10-28

问题解答:

我来补答
30—year
数词+名词构成的复合形容词作定语,名词作定语时一律用作单数
 
 
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