Đề thi chính thức Tiếng Anh vào 10 năm 2020-2021 (Đề 6)

One day, (21) ………. I was looking around a very old village, I started to talk to an old woman.

17/33

One day, (21) ………. I was looking around a very old village, I started to talk to an old woman.

while

after

during

before

Giải thích

Chọn đáp án A.