题目

根据所给提示，完成句子。每空一词，含缩略词。1. Cao Hua swims fastest in our group. (改为否定句)Cao Hua _____________ _____________ fastest in our group. 2. They went to Yunnan last summer. (对划线部分提问)______________ ______________they go to Yunnan?3. What do you think of the program called Daddy, Where Are We Going?(改为同义句)______________ do you _____________ the program called Daddy, Where Are We Going?4. 尽管这道数学题有点难，但我相信你能解答出来。（完成句子）Although this math problem is a bit difficult, I believe you 若一组数据3，4，x，5，8的平均数是4，则该组数据的中位数是