33. Ba asked Lien if those books belonged to her.
-> Câu trần thuật nên lùi thì chuyển "these" thành "those" , "you" thành "her" sao cho phù hợp
34. The last time he wrote to me was in June.
-> S + have/has + not + Vpp + since + mốc thời gian = The last time + S2/ed + was + ..........
35. If I were a milionare, I could buy you a car.
-> If 2: If + S1 + V2/ed, S2 + would + Vinf
36. It is believed that 13 is an unlucky number.