41. Mary said she                 (更喜欢) reading a book to watching TV.

42. Nobody knew what                 (发生) to them later.

43. I'm not sure                 (是否) he will come or not tomorrow.

44. The robot can do                 (无论什么) it is asked to.

45. I don't care                  (是否) I can get the free ticket or not.

46. Ms. Wang told her students that the sun                 (升起) in the east.

47. The old woman said that her husband                 (死了) ten years ago.

48. Jim said that he                 (想念) his classmates very much.

49. He said they                 (进入) the store to look for some clothes.

50. The doctor said that an unhealthy diet                 (导致) to his illness.