It's my cap.改为疑问句
问题描述：
It's my cap.改为疑问句
—— cap —— ——?
根据my改为疑问句
答
Whose cap is it?那Who's cap it is?呢不可以whose表示“谁的”，who's是who is 的缩写提问的时候一定是谓语在主语前面的所以才是Whose cap is it？