15. In spite of his age, Mr.
Although
16. In spite of the bad weather, the pilot will bring the plane down safely
Though
17. Cars cause pollution but people still want them
Although
18. Although his leg was broken, he managed to get out of the car
In spite
19. They got wet to the skin because of heavy rain
It rained
20. Not having enough money, I didn't buy the computer
Because I
laughed