Réponse :
Bonjour,
a. Her mother died when Snow White was a baby.
When did her mother die ?
b. Snow White only ate organic apples.
What did Snow White eat ?
c. No, Jack and his mother did not have a lot of money.
Did Jack and his mother have a lot of money ?
d. Jack climbed up the beanstalk.
What did Jack climb ?
Explications :
Les questions en anglais se forment :
( mot interrogatif ) +AUXILIAIRE + Sujet + verbe
Les phrases que tu avais sont au prétérit donc, l'auxiliaire est au prétérit ( did )