43. Did you give Lan an English-Vietnamese dictionary on her birthday?
=> Was an English-Vietnamese dictionary given Lan on her birthday?
44. No one likes reading that books.
=> That books are not liked reading.
45. Nobody has used this bicycle for many years.
=> This bicycle has been used for many years.
46. You have to give the book back.
=> The book is have to given back.
47. Mozart wrote more than 600 pieces of music.
=> More than 600 pieces of music were written by Mozart.
48. He is painting his house green now.
=> His house is being painted by him at that time.
49. People speak English all over the world.
=> Engish is spoken all over the world.