I'm reading an English book --------China.空缺处应该填什么?

I'm reading an English book --------China.空缺处应该填什么?
I'm reading an English book --------China.
空缺处应该填什么?

I'm reading an English book --------China.空缺处应该填什么?
about

about

about

about,我正在读一本关于中国的书。

made in

made in? hahahahahahahaha........