Resposta:
a) I wasn't eating hot dog yesterday.
b) Charles wasn't reading a new book.
c) My brothers weren't playing ball.
d) She and I weren't finishing the lesson.
e) Stephanie wasn't running at the park.
a) Was I eating hot dog yesterday?
b) Was Charles reading a new book?
c) Were my brothers playing ball?
d) Were she and I finishing the lesson?
e) Was Stephanie running at the park?
Espero ter ajudado! :)