điền vào chỗ trống bằng thì quá khứ đơn hoặc quá khứ tiếp diễn
1.My car … (break) down when i … (drive) home from work
2.Alan … (look) out of the window when he …(see) a UFO
3.When he …(see) me,he …(fall) off the wall
4.We …(try) to log on when the wifi …(stop) working
5…. Jim …(smoke) when he …(turn) on the gas?
điền vào chỗ trống bằng thì quá khứ đơn hoặc quá khứ tiếp diễn 1.My car … (break) down when i … (drive) home from work 2.Alan … (look) out of th
By Allison
1. was breaking – drove
2. was looking – saw
3. saw – was falling
4. were trying – stopped
5. Was – smoking – turned