what's in your school?你学校里有什么?回答:here is a big playground in the school。学校里有一个很大的操场。
问题用 What's (What is / What was), 单数。可以答 There is/was a swimming pool in my school. 我的学校里有个游泳池。
回答和翻译如下:There is a playground and classrooms.