five-yuan coin不加s是不是他前面有一横如果是five yuan coins就加s

five-yuan coin不加s是不是他前面有一横如果是five yuan coins就加s five yuan's worth of apple 这句话对不? five yuan's worth of apple 这句话对不? Five yuan. 【求助题】Five yuan is enough.还是 Five yuan are enough.Happy Valentine's Day! 变复数句：-It's five yuan. -___ ___ five yuan. it is_ five yuan能加什么一个单词 minute什么情况下要加复数s?five minute 和five minutes.一会加s,一会不加.为什么? How much is () fish?It's five yuan () kilo. What's the price of the glasses?的答语是?是 It's five yuan.还是 They are five yuan. bill 和 coin.是不是bill 大于coin? 用英语说人民币（yuan）怎么不加s为什么（yuan）是不可数名词,而（dollar）却可以加s 怎样用later on造句 a one -yuan coins还是不加s,为什么? 英语中yuan可以加s吗 yuan能不能加s,为什么?急! five yuan（） 句型转换：I spend ten yuan on this book.this book cost me ten yuan .答案中的cost为什么不加s,会的来 英语试卷上的一句话 He paid 3,000 yuan for this motorbike.这句话里面,3,000后面的 yuan 为什么不加S?