39. What does them mean in the letter? (A) Sadako's parents. (B) Sadako's brothers. (C) Sadako's friends in Japan. (D) Sadako's classmates in Taiwan.

42. What does Don't be too strict with yourself mean in the reading? (A) Eat anything you like when you feel unhappy. (B) Never try to lose weight in a way that is too difficult. (C) Try to relax by watching TV or playing computer games. (D) Don't feel bad if you have spent a lot of money trying to lose weight.