Here is 15 dollar.Let't go to KFC for lunch.后应该是什么（5上寒假作业p12）

Here is 15 dollar.Let't go to KFC for lunch.后应该是什么（5上寒假作业p12） DOLLAR dollar 这个为什么是定语从句?This is the first time [that] I have been here.xiexie le the price of the trousers 27 A.is,dollar B.is,dollar C.are,dollar D.are,dollars 请问“a dollar ten”怎么理解?A:How much is it?B:A dollar ten ,please. Here is That's a 15-dollar fine Le Le Le Le dollar 后面什么时候跟is什么时候跟are? A man spent one dollar on 5 piums and one dollar on 2 oranges a dollar.What is his gain or loss? were is baby?here is here is.. That's a 15 dollar fine.这句话里dollar为什么不用复数形式dollars? Dollar for dollar是什么意思 there is a 10 dollar cover to get into the club.10 dollar要不要加s?