坐等天亮等做这个初一英语题

题目

坐等天亮等做这个初一英语题
Where's the vackpack?
It's under the tabld.
把上面的句子用on和in各从编一句对话

答案

Where's my book?
It's on the bookshelf.
Where's the rubber?
It' in the schoolbag.