----- Nội dung dịch tự động từ ảnh -----
I. Chia động từ ở thì quá khứ tiếp diễn
1. I
———
it begin to rain (go)
down the street when
2. At this time last year, I
an English course (attend)
under the tree when
3. Jim
he heard an explosion (stand)
4. The boy fell and hurt himself while he
a bicycle (ride)
5. When we met them last year,
they
in Santiago (live)
6. The tourist lost his camera while
he
X
around the city (walk)