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

来源：百度知道编辑：UC知道时间：2024/05/16 13:45:18

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

对啊```

对

The children must have been to the exhibition yesterday, __________? there are ____ of visitors in the exhibition every week. 1 Only___of them are interested in the exhibition. 4.Those __ to go to the exhibition should inform the office. do you still remember the place ___ we visited the painting exhibition exhibition怎么读？请问PANEL EXHIBITION是什么意思请教exhibit ,exhibition fair和exhibition的区别中文中的会展用英文表示是不是conference and exhibition?