29. Because of her old age, she can't work hard.
30. Because of his lack of careful learning, he failed the exam.
31. Because of her sickness, Mary didn't go to school.
32. Because of the traffic jam, I didn't come soon.
33. Because of his good behavior, everybody loves him.
34. In spite of being poor, she is always happy.
35. In spite of the low salary, she decided to accept the job.
36. Though the weather is bad, we're going to have a picnic.
37. As Mary was ill, she didn't go to school.
38. Since Tom was careless, he lost the game.
39. It rained heavily, so she didn't go to school.
40. I was punished by the teacher because I forgot to do the exercise.
41. He didn't get up early because he went to bed late.
42. Although cars cause pollution, people still want them.
43. Though Mary was ill, she went to school.
44. Even though the house is small, we can stay there.
45. Although the café was crowded with people, we found a table.