WHILE I...ALONG THE ROAD, I SAW A FRIEND OF MINE. A. WAS CYCLING B...

10. - DE THI THU TN CHO HS MIEN NUI
Tiếng Anh DE THI THU TN CHO HS MIEN NUI
10. While I...along the road, I saw a friend of mine. A. was cycling B. had cycled C. have cycled D. cycled