Respuesta:
2-
Mandy was doing her homework.
John is studying for the upcoming exam.
Peter's homework got lost.
Mary and Ruth were talking on the break.
The students went home already.
Brithany was painting her nails on the class's.
Sam brought his little dog to school.
Mr. Smith got mad at us for talk on his class.
Bill and the girls got expelled form school.
The children are very noisy.
3-
i was sleeping.
they were working.
no, they were not
yes, I was.
