39. I used to ride a tricycle when I was a child.
=> What did you use to ride  when you was a child ?
40. It's about 3 kilometers from my home to school.
=> How far is it from your home to school
41. It takes me more than an hour to finish my homework.
=> How long does it take you to finish your homework
42. The movie "The Pursuit of Happiness" stars Will Smith.
=> Who are the stars of the movie "The Pursuit of Happiness" ?