On what are you sitting?

你坐在什么上面？

On what are you drawing?

你画画在什么上面？

On what are you writing?

你写字在什么上面？

On what did you put the book?

你把书放在什么上面？

On what did you place the cup?

你放杯子在什么上面？

It also helps me focus a lot more on what I'm learning in class.

它还帮助我更专注于课堂上的学习。

He gave me a suggestion on what to do.

他给了我一个暗示，让我知道该怎么做。

She muses on what her future might hold.

她沉思她的未来可能会怎样。

Success is relative; it depends on what you value.

成功是相对的；这取决于你重视什么。

The editor has the final say on what gets published.

编辑对什么可以发表有最终决定权。