IV.Câu này cần dự kiện của đoạn văn bài trước nữa nha.
V.
23.striped
24.completely
25.uncomfortable
26.introduced
27.improve
28.compulsory
VI.
29.to buy
30.playing
31.going
32.were doing
VII.
33. No one saw him last night.
→ He wasn't seen last night.
34. My sister started studying English 3 years ago.
→ My sister has studied English for 3 years.
35. I can't help you because I don't have enough money.
→ Because of not having enough money, I can't help you.
36. They will spend 3 years building this bridge.
→ It will take them 3 years to build this bridge.
