99我there are also weekend ___(visit)organized to a mountain visit用单数还是复数

问题描述:

99我there are also weekend ___(visit)organized to a mountain visit用单数还是复数
答案说visit要用visits形态啊,前面都有一个are了后面不是应该用visit嘛

are后面就是应该接复数形式啊,有什么问题呢,visit做名词的复数就是visits