IV. Complete the passage with the words from the box. increase grains diet reduce good nutrients sick necessary attention products Having a good (16) __ and take regular exercise will keep you healthy. Your body needs the vitamins and (17) __ found in vegetables and fruit. It also needs enough exercise to strengthen muscles and bones and (18) __ your chances of getting (19) . Paying (20) to diet and exercise isn't that hard. If you do it, your life will be better. You also need to eat (21) __ such as rice, wheat, oats, or corn. Dairy (22) _ in the form of milk and cheese provide your body with (23) __ calcium. Protein comes from meat and nuts. Don't eat too much meat, howerver. Eating too much red meat, in particular, is not (24). for your heart, and it might (25) __ your chances of getting cancer. V. Identify a mistake in each sentence and correct it. 26. They are talking to financial problems. _________ 27. Mathematics are my favourite subject. _________ 28. Could you tell me how using this machine? _________ 29. He arrived here ago five minutes. _________ 30. He didn't met his girlfriend. _________