Peter is never late for school, ____ he? _____. He always comes on time.

He’s gone to the library, ________he?

--- 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.

 —Your brother’s never careless, _______ he?—_______ ,  he often makes mistakes.

------She didn’t come to school yesterday, did she? ‘ -----______．Though she was not feeling very well．