be reading or studying
在读什么书?
What book are you reading?
— 阿黛尔的生活 (2013)
在读法国文学
I'm reading French literature.
是谁在读?
Who is reading?
每个莫斯科人都在读它
Every Muscovite is reading it.
— 莫斯科不相信眼泪 (1980)
你在读哪本书?