the exhibition is not worth visiting...is not为什么不用do not

The exhibition is/was held twice every year?哪个对? NO.12middleschool is the school in 关系词i am studyingthis is the museum关系词 the exhibition was held两个定语从句,写出所有可以的关系词,并说明理由 miss the exhibition中译英 This is the second time I （）（see）the exhibition at the museum 动词填空. Walking is great fun.(改为感叹句)______ _______ _______ walking is!Talk loudly in the exhibition hall.(改为否定句)_______ _______ ________ loudly in the exhibition hall. There (is going,is going to be)an exhibition in the museum.选哪个?为什么? the exhibition is not worth visiting...is not为什么不用do not 英语句子成分分析Is this the museum where the exhibition was held?请分析其句子成分 Is this the museum ____ the exhibition was held.that为啥不行 this is the museum that we saw an exhibition the othe day意思 This is the second time that we▁(visit)the industrial exhibition. The exhibition of the newly-designed robot is well worth ___(visit) at the exhibition和in the exhibition有什么区别? The exhibition held twice every year.需要加is?不加的话 是不是用hold The exhibition is/was held twice every year?这句话对吗? The Asia World-Expo is a exhibition and event venue offering over 700000square metres space.exhibition and event venue确切的意思该怎样翻译呢?会议展览中心? I like old things.This is the second time I ____(see)the exhibition at the museum为什么? The doctor told him that too much___to the sun is bad for the skin.A exposure B exhibition 选哪个