She has set a new record,that is ,the sales of her latest book____50 millionA has reached B have reached为什么啊 sales 不是单数么?

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She has set a new record,that is ,the sales of her latest book____50 millionA has reached B have reached为什么啊 sales 不是单数么?
She has set a new record,that is ,the sales of her latest book____50 million
A has reached B have reached
为什么啊 sales 不是单数么?

She has set a new record,that is ,the sales of her latest book____50 millionA has reached B have reached为什么啊 sales 不是单数么?
sales of her latest book
判断这种of结构要看of之前的单词的单复数.sales,所以是have reached
唯一的例外是 a number of...表示很多、大量的⋯⋯(如:a number of students)后接are/have
sales虽然是销售额的意思,但一般还是当复数用,
如:Sales are down this month.这个月的销售额减少了.
如有问题,欢迎继续追问:)
求采纳~

后半句说的是the sales

the 加上名词的单数或者复数只是表示一种类别,是指销量的意思,不是单复数的意思。答案肯定是A,不可能是B

主语是the sales

她已经创下一个新纪录,那就是她的最新book____50亿的销售