Resposta :
Resposta:
a) Neg. He didn't sell his car lest week.
Int. Did he sell his car last week?
b) Neg. My mother didn't make a cake yesterday.
Int. Did my mother make a cake yesterday?
c) Neg. She didn't invite me to the party.
Int. Did she invite me to the party?
d) Neg. I didn't call you three days ago.
Int. Did I call you three days ago?
Explicação:
'Didn't' é a contração de 'did not'.