We have fifteen apples.改为一般疑问句,并做否定回答.
问题描述：
We have fifteen apples.改为一般疑问句,并做否定回答.
答
have体现动词原形,故借助助动词do,构成一般疑问句.
Do you have fifteen apples?
否定回答：No,we don't.