escolha a alternativa correta

a-she isn't American .,..?
( ) is she?
( ) are she ?
( ) was she?

b- there was a power cut here .....?
( ) wasn't there ?
( ) is there
( ) was there

c- I am intelligent....?
( ) aren't I
( ) isn't I ?
( ) am I ?

d- the movie is fun.....?
( ) is it ?
( ) isn't it ?
( ) was It ?​