If you meet a new foreign friend in a summer camp somewhere in Britain or in the USA, it wiil not be bad manners to ask him/her about him/her, his/her family and the camp.

I)    weren't you? 2) have you? 3) mustn't they? 4) don't you? 5) Isn't it? 6) isn't it? 7) won't you? 8) do you? 9) didn't you? 10) isn't it? 11) is it?