My mother and my sister had a wonderful time in Dalian.(改为反义疑问句)

问题描述:

My mother and my sister had a wonderful time in Dalian.(改为反义疑问句)
My mother and my sister had a wonderful time in Dalian,______ ______?

My mother and my sister had a wonderful time in Dalian,_didn't_ _they_?
had 在这里不是"有"解释,所以用助动词did.