45. Although Ms. Vy was tired, she helped Tam with her homework.
--> Despite her tiredness/ being tired, Ms.Vy helped Tam with her homework.
46. If you sing well, everyone will clap their hands.
--> Sing well and people will clap their hands.
47. “Shall we go for a walk now?” said Peter.
--> Peter suggests going for a walk now.
48. They last talked to each other 2 weeks ago.
--> They haven't talked to each other for 2 weeks.
49. Đề sai
50. My parents lived in the USA when they were young
--> My parents used to live in USA when they were young.
Chúc bạn ăn Tết vui vẻ!