Read the following passage about gender equality and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22

Without music and sport classes, a child's talent in these areas may never be discovered and developed. In fact, classrooms may provide an environment ___(1)___. Furthermore, even for the children with extraordinary talents, their capabilities may not fully grow unless ___(2)___. Children may also learn to be disciplined and ___(3)___, because success in these particular areas requires a significant amount of effort in training. In brief, school education may satisfy some of the most critical factors in the early progress of the future music and sport figures.
___(4)___, the provision of both academic, music and sports education is mandatory for an all-rounded growth of young students. If learning to sing or to play a sport, for example, is treated as an extracurricular activity only, children may consider the engagement in it to be entirely optional. Some children, particularly those without a determined mindset, may eventually choose not to play sports and music. Such a group may consequently go on to suffer from physical or mental illness in later life.
To conclude, to ensure the adequate physical and mental development of the next generation, and ___(5)___, these subjects must never be abandoned in any child educational institution.