there were no more mountains in sight.为什么用were 不用was

题目

there were no more mountains in sight.为什么用were 不用was
既然前方再也没有山了,应该there was no more mountain in sight
为什么用复数呢?

答案

mountains
n.山脉；[地理] 山区；山岳（mountain的复数）
这里用单数和复数都是是正确的
可能用复数更好表达一片山的感觉,毕竟有时不会是一山独立的状况