Bonjour,
Réponse :
a- I go to the United States of America.
→ I went to the United States of America
b- She is happy during (=pendant) holidays.
→ She was happy during the holidays.
c- I have a great summer.
→ I had a great summer.
d- I talk with my friend during the break.
→ I talked with my friend during the break.
e-I show my classmates my back-to-school selfie.
→ I showed my classmates my back-to-school selfie.
