Find a mistake in each sentences below

III. Find a mistake in each sentences below.
16. You should have several small meal a day
                 A        B                             C   D
17. You should keep away from healthy habits and activities
                            A                B       C                          D
18. The most you study, the smarter you will become
               A              B              C                D
19. People who skip breakfast eats more at the next meal.
                            A                     B             C                 D
20. It is important to remember that dinner doesn't have to be the larger meal.
         A                         B                                  C                                D