Lily’s never been to Hainan, ________ she?

— When I was young, I liked playing with toy animals. — ______. 

There is little milk left in the bottle,______?

--- Liu Tao has never read the book The Adventure of Tom Sawyer , _________ he?--- _________. He told me it's very interesting. He'd like to read it again.

——Would you mind turning down the music?——_____.