a safe number of interviews to conduct is about is six to ten.
你好
What are there on the wall? 墙壁上有什么?
Can you father make puppets? 你爸爸会做木偶吗?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~祝你学习进步,更上一层楼!
不明白请及时追问,满意敬请采纳,O(∩_∩)O谢谢~~