Is one and a half days enough for the painting to be finished?这句话对吗?因为前面是IS,可后面却是用了days,这可怎么理解呢?

问题描述:

Is one and a half days enough for the painting to be finished?
这句话对吗?
因为前面是IS,可后面却是用了days,这可怎么理解呢?

one and a half days 虽然可以看做复数,但是作为主语,它表示的是一个单数的概念,要把one and a half days 看做一个主体来理解,所以用Is,单数.