11. He drives more carelessly than he used to. A. He doesn’t drive as carefully as he used to. B. He doesn’t drive carefully than he used to. C. He doesn’t drive as carefully than he used to. D. He doesn’t drive as carefully he does. 12. No one in our club can speak English as fluently as Mai. A. Mai speaks English more fluently than no one in our club. B. Mai is the worst English speaker in our club. C. Mai speaks English as fluently as other people in our club. D. Mai speaks English the most fluently in our club. 13. The sooner you stop smoking cigarettes the better you’ll feel. A. As soon as you feel better, you’ll try to stop smoking. B. You feel so much better since he stopped smoking. C. Though you feel better, you still smoke. D. When you stop smoking, you’ll begin to feel better. 14. No one in the class is taller than Dave. A. Dave is taller student in the class. B. Dave is the tallest student in the class. C. Dave is the taller student in the class. D. Dave is tallest student in the class. 15. The crowd became increasingly angry at the long delay. A. The crowd became very angry because the delay was so long. B. The longer the delay was, the angrier the crowd became. C. The more increasingly the crowd became, the longer the delay was. D. The more the crowd became angry at the delay, the longer they feel. 16. In spite of trying very hard, we failed in the final match. A. Although we tried very hard, we failed in the final match. B. We made all our efforts so that we could gain success in the final match. C. Whatever efforts we had made, we weren’t able to win in the final match. D. We failed in the final match as a result of all our great efforts. 17. Although old-age pensions have risen considerably, they haven’t kept pace with the cost of living. A. The cost of living is so high that they couldn’t keep with it. B. Despite the fact that old-age pensions have risen considerably, the cost of living isn’t going down. C. Old-age pensions may have risen considerably, but they haven’t kept pace with the cost of living. D. The cost of living hasn’t been kept with no matter how high the old-age pensions are.