Use appropriate sentence connectors in the blank spaces of the following passage.

Students have certain duties towards the country. (a) ---, they must contribute to the eradication of illiteracy. During the vacation they can go to villages and teach the illiterate people. (b) ----, they can make a literate nation and ensure a considerable development. (c) ----, the students have to create awareness among the common people about the basic rules of health and sanitation. (d)---, it will have an enormous effect on the overall development of the country, (e) ---, the students should teach the illiterate farmers about the scientific methods of cultivation. (f) ---, they should take part in voluntary service during the crisis periods of a country. (g) ---, the students should prepare themselves as the future leaders of the country. They must be serious in this matter. (h)---, they will fail to prepare themselves. (i) ---, the country will not see the light of development, (j) ----, the students are the most vital element of a country (k) ---- their development means the development of the country. (l) ----, parents, teachers and social leaders have the responsibility to guide them to the right path. (m) --- they make some mistakes, they should not be brought to book, (n) --- they should be led to the right path.