Exercise : WORD FORMS.
21. The most _____ games have sold in the millions. SUCCESS
22. People have _____________ that doing puzzles is good for you. COVER
23. It's easy to find a _____________ to the problems posed. SOLVE
24. There has been an _____________ in the power of their brains. IMPROVE
25. Some _____________ argue that the brain gets better at a task the more it repeats it. SCIENCE
26. The improvement in the _____________is something that happens naturally. PERFORM
27. It remains _____________ whether puzzles are actually helping to boost brainpower or not. CERTAIN
28. According to _____________, most people sleep less than 8 hours every day. SEARCH
29. The advice passed down to our grandparents may contain some _____________. TRUE
30. A good example is the_____________between being cold and catching a cold. RELATION
31. These high-heeled shoes are _____________ for such rough terrain. SUIT
32. Colds are caused by viruses, so in the _____________ of a virus, you can't catch a cold. ABSENT
33. You're too young. This film is __________________for children your age. APPROPRIATE
34. _____________ now think that we may have viruses in our bodies already. SCIENCE
35. In cold weather, for example, blood vessels in the nose get smaller to stop heat escaping. _____________, this also allows the cold virus to attack the nose or throat more easily. FORTUNATE
36. Victoria Falls in Africa is one of the most _____________sights in the world. SPECTACLE
37. It's also an _____________ place for water sports. CREDIBLE
38. We need you to provide an accurate _____________ of the situation. DESCRIBE
39. On arrival, it's the noise that makes the greatest____________. IMPRESS
40. The _____________ landscape is also well worth a visit.
SURROUND