Answer:
Tim:you come from Australia, don't you?
Tim:it's very hot there, isn't it?
Tim: But it never gets very cold, Doesn't it?
Tim:they speak English there, don't they
Tim:You haven't been here long, haven't you
Tim:Your on holiday, aren't you?
B)1. Can you? Yes you can.
2.The bill won't be very high, will it?
He wasn't very polite, wasn't he No, he wasn't
I didn't make a mistake haven't I? No you didn't.
It won't be a difficult thing to do won't it? No, I don't think so.
That was a lovely meal, wasn't it? Yes, it was delicious.
Explanation:
I don't really know i was guessing.