СРОЧНО ПОМОГИТЕ!! ПО АНГЛ. ЯЗ.!!!

complete the disjunctive guestions.

1) your hobby is collecting coins, ... ?
a) is it b) isn"t it
2) They are outdoors, ...?
a)are they b) aren"t they
3) I am busy now, ... ?
a) am I b) aren"t I
4) The film wasn"t a success, ... ?
a) was it b) wasn"t it
5) the kittens were cute, ... ?
a) were they b) weren"t they