Don’t stay up too late,       ? It’s bad for your health.

He hardly had anything to eat,          he?

—He’s never stolen anything before,        he?
—       .It’s his second time to be taken to the police station.

—Hi, Sam. Your mother’s busy these days,        ?
—Yes, she is.

There is little milk in the fridge,       ?

—It hardly snows this winter,       ?
—No, the weather is too dry.

You won’t tell anyone the secret,       ?

—Hi, Sam. Your mother’s busy these days,       ?
—Yes. But she says she’ll be free soon.

What a nice paper fish! Can you show us        you make it?

—There is a 3-day holiday after the exam,       ?
—      . It’s impossible for the time is limited (有限的).