33. I haven't spoken to her for 2 years.
34. It is intereeting to go swimming in the river in the summer.
35. Despite working hard, he couldn't support his large family.
36. She suggested that I should take a day off tomorrow.
37. If they hadn't given us a warning, we couldn't have avoided a very bad accident.
38. I suggest teaching young children to care for the enviroment.
49. My wallet was stolen by a man whom I don't know.
40. Although the storm was very powerful, no one was injured by it.