meeting是被学校举行,所以与hold之间是被动关系,不过你是不是抄错了,?应该是held吧!这个句子对how often提问,问的是频率,比如每两个月一次,那正常语序应该是your sports meeting is held every two mounths .主语是your sports meeting ,与held之间是被动关系,所以选C.如果这个句子是Your school holds sports meeting every two mounths.其中Your school 举行sports meeting,是主动的.这样的话,对频率进行提问就应该是How often does your school hold sports meeting?你再仔细比较一下这两个句子有什么不同!