25. She was not beautiful. However, she took part in a beauty contest. 

26. If you prectised your El regulalry, it would improve. 

27. As she was ill, she couldn't come to class. 

14. Jane suggested that John should put/ put a better lock on the door. 

15. She suggested Tom should fix/fix the dripping faucet. 

10, If you litter the place around, it will be a juck yard. 

11. She dances ballet excellently. 

12. That boy is a good football player. 

13. Unless you succeed, you will have to try it again. 

14. Unless flowers have enough water, they won't bloom. 

15. If you don't study hard, you will fail the exam. 

17. Because this test is difficult, nobody can do it. 

18. He broke the vase because of his carelessness. 

19. He couldn't meet you as he was busy. 

20. We can't go out for a walk because of the heavy rain. 

21. Because the road is narrow, two cars can't pass each other. 

22. I suggest he should turn off/ turn off the lights when going to the bed. 

23. She suggested going to the canteen. 

24. How about going to the cinema tonight?