Choose the correct sentence. ( : 1)
A) My father used to do sedentary activities when I was a teenager.
B) Some people would fought against injustice.
C) We didn’t used to teach Spanish at school.
D) We used enter to Goygol national park, but now it’s forbidden.
E) My sister used to work hard yesterday.
BCDE грамматически неверные.
Предложение А - структура ок, но смысл странный...
Used to do тут правильно употреблено.