Question

In Britain you may often hear “Drop in any time” or “Come to

Answer 1

1, no, it's not.

2, it is better to telephone before visiting someone at home.

3, you may refuse by saying "thank you for inviting me, but i will not be able to come."

4, flowers, chocolate or a small gift are all appropriate.

5, a thank-you note or telephone call after the visit is also considered polite.