I used to walk to school when I was young. (FOOT)
I used to walk to school when I was young. (FOOT)
=> ______________________________________.
I used to walk to school when I was young. (FOOT)
=> ______________________________________.
Đáp án: I used to go to school on foot when I was young.
Giải thích: walk = go on foot: đi bộ
Dịch: Tôi đã từng đi bộ đến trường khi còn nhỏ.