WHILE I _____ ALONG THE ROAD, I SAW A FRIEND OF MINE. A. AM WAL...

câu 2. - DE KIEM TRA 1 TIET LAN 2
Tiếng Anh DE KIEM TRA 1 TIET LAN 2

Câu 2. While I _____ along the road, I saw a friend of mine.

A. am walking

B. have walked

C. walked

D. was walking