43.Ba told Liz that he was going to meet his sister in front of the station.

44.She hasn't gone out with him for 2 years.

45. If she was on the board now, she would/could experience these marvelous things.

46.The boys felt interested in the show 

43. Ba told Liz that he was going to meet her sister in front of the station.

-> Câu trần thuật nên lùi từ hiện tại tiếp diễn về quá khứ tiếp diễn, chuyển "your" thành "her" cho phù hợp.

44. She hasn't gone out with him for 2 years.

-> The last time + S + V2/ed + was + thời gian + ago = S + have/has + not + Vpp + for + khoảng thời gian 

45. If she were on the broad now, she could experience these marvelous things.

-> If 2: If + S1 + V2/ed, S2 + would + Vinf 

46. The boys felt interested in the show.

-> feel + adj , be interested in + N: thích thú