Respuesta :
1) has not been
2) have you finished
3)'s gone
4) have you been
5) have never eaten
6) has forget
7) has
8) have found
9) for
10) since
a mi me lo han enseñado así no se si estará todo bien
Respuesta:
1 es A) Has not been
2 es B) have You finished
3 es C) ' ve gone
4 es B) Have You been
5 es A) have never eaten
6 es C) Has forgotten
7 es C) Has
8 es C) Have found
9 es B) For
10 es A) Since