11.Mary came to class late. Her motorbike had a puncture. (because) 12. Nick used to smoke. He seems to be in good heath. (although) 13. Our team won by a large margin. No one thought we were strong. (however) 14. I could not see his face clearly. He was standing in the shadow. (therefore) 15. We couldn’t get tickets. We queued for an hour. (Though) 16. The man spoke very slowly. He wanted me to understand what he said. (because) 17. She earned her living by selling newspaper. She had a good B.A. degree. (even though) 18. Our flight was delay. We decided to take a long walk around the terminal. (because) 19. I enjoyed the film. The story was silly. (Though) 20. We live in the same street. We hardly ever see each other. (although) 21. My foot was injured. I managed to walk to the nearest village. (although)