Urgent dau coroană

1.Cycling is a dangerous sport, isn't it?
Yes, it is.
2.Pete and dan are good at swimming, aren't they?
Yes, they are.
sau
No, they aren't.
3.My uncle is a very good footballer,isn't he?
No,he isn't.
sau
Yes,he is.
4.They are going to play tennis, aren't they?
Yes, they are.
sau
No, they aren't.
5.You are good at skiing, aren't you?
No, I am not.
sau
Yes, I am.
6. Ann is fond of skating, isn't she?
No, she isn't
sau
Yes, she is.