--- The Greens have gone to Yangzhou for a trip, haven’t they ? ---____ , and they will return tomorrow afternoon.

—Kate, do you know ___it is from here to the post office?—About twenty minutes’ walk.

There is little food in the fridge , ______ ?

---Emma has to stay at home to look after her little sister,  ? ---Yes, because her mother has gone to the supermarket.

Let’s take a walk for supper, ______ ______?