One or perhaps more pages____missing.A.is B.are C.has been D.have_英语解答

One or perhaps more pages____missing.
A.is B.are C.has been D.have been
为什么?请详解.找出知识点给我.

人气：443 ℃　时间：2019-10-11 07:28:21

解答

主语是one,因为是OR
如果是and就用复数,主语就是one and more pages