The town government set up a modern hospital for the farmers, ________ it?

—We need a new leader for our Helping Hands Club，but I don’t know_______.—Why not Mary? She is always willing to help others.

---       do you go bike riding with your father?   ---Once a week.

─             did they go to work last week ?     ─Once .

―He hardly has any friends to play with , _____ he?―_______! That’s why he feels lonely from time to time.