They have been to * three times.对three划线部分提问 并且为什么这么做
问题描述：
They have been to * three times.对three划线部分提问 并且为什么这么做
where have you been?用 just now 改写句子 并且为什么这么做
答
How many times have they been to *?
对于【复数名词前的数量提问】用how many +复数名词+.
Where did you go jiust now?【just now】用一般过去时.