你呢?
Nǐ ne?
And you?
那本书呢?
Nà běn shū ne?
What about that book?
他在看书呢。
Tā zài kàn shū ne.
He is reading (now).
我在吃饭呢。
Wǒ zài chī fàn ne.
I'm eating (right now).