Choose the right tag-ending
She is a very good student, ......?
1. ...., is it?
2. ...., isn' t it?
3. ....., isn' t she?
He is playing at school now, .....?
1. ...., is he?
2. ...., isn' t he?
3.....,isn' t she?
Помогите пожалуйста разобрать о чем идет речь!