答案为 is going to be 解析如下 there be句型 there be 的将来形式为 there will be.跟 there is/are going to be 鉴于有4个空 There is going to be a party at her home next Saturday evening. have在这行为动词(表示有的意思),不能够和there 搭配. 另there也不是名词,没办法单独当个主语来搭配have. 所以这同义句 答案的改动只在 have 到 be