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11. Because of the noise, we couldn't study.
12. In spite of being cold, I went swimming.
13. Despite the traffic jam, these students didn't arrive late.
14. Because of the noise, Mary can't sleep.
15. In spite of working very hard, she didn't get ill.
16. Because of his forgetfulness, his wife usually gives him a list.
17. Despite having much experience, he didn't succeed in repairing the machine.
18. Despite having failed so often, Kid has never been disappointed.
19. In spite of  not having eaten anything for 24 hours, I didn't feel hungry.
20. He ate all the fruits despitetheir greenness.