thirties这题我选B,可是答案是D,为什么?为什么这里形容年龄要把thirty 变thirties?：he wrote a _英语解答

thirties
这题我选B,可是答案是D,为什么?为什么这里形容年龄要把thirty 变
thirties?：he wrote a ____ composition
A,two-thousand-words B'two-thousand-word C,two-thousands-word
D,two-thousands-words
这题我选D的,可是答案是B,为什么?
he began to write poems to his_____.
A,thirtieth B,thirty C,thirtys

人气：375 ℃　时间：2020-05-12 04:53:23

解答

1.数字和名词连接后,不再用复数,表示数字与名词是一个整体.
【例】three years old＝three-year-old
2.这里的thirties表示的是“在他的三十几岁时”,而不是正好“三十岁时”.
【翻译】在他三十几岁时他开始写诗.