Fill in the gaps in the following sentences with an appropriate tag. 0) Some behaviour rules seem strange for foreigners, don't they ?

Fill in the gaps in the following sentences with an appropriate tag.
0)  Some behaviour rules seem strange for foreigners, don't they ?
1)  In Britain people don't congratulate each other on national holidays,
2)  Foreign visitors should note how loudly people around them are talking, _____________?
3)  In Britain it isn't considered bad manners to eat in the street, ______________?
4)  A small Russian souvenir will be fine if you are a guest at a British home, ______________?
5)  Religious holidays can become national ones in some countries, _____________?
6)  It is not polite to stare at another person,
7) Different peoples have different greeting habits,
8)  Foreigners make friends slowly, _____________?
9)  National holidays and celebrations must unite people, _________________?
10) It is a bad idea not to queue in line,__ ______?