什么叫做 a twelve dollar

什么叫做 a twelve dollar 什么叫做 a twelve dollar dollar什么意思 dollar什么意思 a dollar for Haiti That book is not expensive. You can buy it ___ twelve _.That book is not expensive. You can buy it ___ twelve ____.A. at; dollar B. for; dollars C. at; pounds D. for; pound请解释一下原因 谢谢 ____should not be alowed to go out at night.A.Twelve-years old B.Twelve-year-olds C.Twelve year old D.Twelve years olds选什么 为什么? DOLLAR dollar dollar和yuan都是元有什么区别吗?dollar（澳大利亚）元 ＄A Australia澳大利亚 dollar（巴哈马）元 B＄ Bahamas巴哈马 dollar（百慕大）元 DB＄ Bermuda百慕大 dollar（加拿大）元 Can＄ Canada加拿大 dollar 埃 multi-million-dollar什么意思 a 20 dollar fine翻译 four for a dollar是什么意思 DOLLAR RENT A CAR怎么样 Aus dollar和USD dollar 有什么区别 Twelve ( ) (mean) a dozen.括号里面填什么? a million dollar question什么意思?Just how Canada's immigration backlog ballooned to almost one million applications today is indeed a million dollar question.请问上句a million dollar question是什么意思? a dollar is worth more than a dollar tomorrow.这里主谓宾怎么分啊.worth more than 是什么句子的什么成分