很高兴为你解答!
感叹句变反意疑问句,方法：用否定的助动词加sb/sth?如：
1）What a fine day it is today!
What a fine day it is today,isn“t it?
2）How fast he runs!
How fast he runs,doesn”t he?
3）What a long time we have been waiting!
What a long time we have been waiting ,haven“t we?
希望对你有所帮助.学习进步 、快乐!