34. Although he tried, he was not successful.
35. Although his life is hard, he is determined to study well
37. Although he was wise and experienced, he was taken in.
39. Even though he got a good job, he was not satisfied
43. although he often tells lies, many people believe him
45. Because of his hard life, he left school
46. Because he works hard and methodically, john succeeded in his exam
47. Because it rained heavily, we didn't want to go out
48. Despite his experience in machinery, he didn't ...
48. Though it was dark, they continued to work
49. Because of the bad driving conditions, we postponed our trip
50. Because of pollution, the water in most rivers is unsafe to drink
51. Because our parents are generous, we all have received the best of everything