I’m not sure that is it free?I want to make sure that is it free?哪句表达想向对方确定某项事物比较好?

分类: 作业答案 • 2022-01-02 15:27:50

问题描述：

I’m not sure that is it free?
I want to make sure that is it free?
哪句表达想向对方确定某项事物比较好?

答