USE OF ENGLISH Choose the correct item (A-D) to complete the sentence (5-12). BRAIN GAMES If you want to keep your brain fit and healthy then it is important to use it. And (5)to some experts, doing puzzles can help us to keep our brains active. As well as getting satisfaction from finding the correct answer to a difficult problem, we give our brains a good (6) out in the process, a bit like a session in the gym for other parts of the body. (7)…….. us do this, all sorts of handheld 'brain games are now available in the shops, and the most (8) games have sold in their millions. What's more, people discover that the more they play the games, (9)………to find the solution to the problems that are posed. They see this as (10)…….. that there has been an improvement in the power of their brains. But this may not be the case. Some scientists argue that the brain gets better at any task the more often that task, or similar tasks, is repeated. In other words the performance of the brain (11)……. a normal pattern. So (12)……… these brain games are obviously fun to play, it remains uncertain whether they are actually helping to boost brainpower or not.