The exhibition is/was held twice every year?这句话对吗?

The exhibition is/was held twice every year?这句话对吗?
The exhibition is/was held twice every year?这句话对吗?

The exhibition is/was held twice every year?这句话对吗?
我个人对于这句话是有疑问的,我觉得 is held twice every year是最正确的,因为这句话里有被 动语态,分别 是is held 和was held,第一个很明显是一般现在时的被动语态,第二个应该是一般过去时的被动语态,从这句话给出的时间状语twice every year可以看出这是一个表示频率和经常性的一般现在时的时间状语,所以时态上也应该选择相应的一般现在时的被动语态,所以这认为is held twice every year完全正确

对啊```

对

对