Tất cả đều là thì QKĐ
45. Lost (yesterday morning)
46. Visited (last year)
47. Died (in 1930)
48. Worked (three years ago)
49. Did (last night)
50. Wrote (last Monday)
51. Bought (last year)
52. Were (in 1978)
Exercise 2
1. Did they spend (last summer)
2. Went (last week)
3. Spent (last Sunday)
4. Was (last year)
5. Read (yesterday)
6. Listened (last night)
7. Watched (last night)
8. Went (yesterday)
9. Was (last month)
10. Went (last week)
11. Had (yesterday)
12. Met (two weeks ago)
13. Was (in 1992)
Mk xin ctlhn
