Make questions for the underlined parts in each following sentence

 Make questions for the underlined parts in each following sentence:
42. It’s about 8 km from my house to school.
……………………………………………………………………….
43. Last year I went to Hai Luu Buffalo Fighting Festival with my parents. ……………………………………………………………………….
44. This festival is held in my country every two years. ……………………………………………………………………….
45. During Tet, they decorate their houses with beautiful Christmas trees. ……………………………………………………………………….