He gave the taxi driver a—.A five dollar bill B five--dollars bill C five--dollar bill

题目

He gave the taxi driver a—.A five dollar bill B five--dollars bill C five--dollar bill
D five dolls bill
请求懂的人分析一下选项,问什么选c不选b啊?
It took us long time to get there.It was ___journey.A three--hour B a three hour C a three--hour D three hour 这题也是,
名词的单复数,和形容词两方面的知识点都不知道,能教教我吗?

答案