Chọn đáp án đúng
. I ____________ a lot when I was younger. a. use to swim b. used to swim c. used to swimming d. didn't used to swim 2. People¬¬¬__________ so often, or they just didn't travel at all. a. used to travel b. used not to travel c. didn't used to travel d. didn’t use to travel 3. My brother__________ his leg in a car accident when he was 20. a. broke b. used to break c. uses to break d. breaks 4. _________long hair when you were a teenager? a. Used you to have b. Did you used to have c. Did you use to have d. Are you used to having 5. My Grandpa never__________ coffee. He always drank tea. a. uses to like b. used to like c. didn't use to like d. is used to like
giải thích tại sao chọn đáp án dó