Complete the text adding suffixes, prefixes or both with the root words given in the parenthesis :

In ancient time, textbook was the most (a)---- (resource)------ thing for a student. (b)------ (teach)------ were only guides and source of (c)----- (inform) -----. The students had to collect all (d)----- (inform)------ news from their teachers. There was hardly any guide book or other (e)------ (refer)----- book in the market. So, teachers gave (f)----- (deliver)----- of a lecture by studying the text books, and so the students had (g)----- (depend)------ on their teachers (h)----- (proficient)-----. As a result, there existed (i) -----(measure)----- relationship between them. The (j)----- (popular)----- of these great teachers was never on the wane. Students had (k) ----(devote)----- to maintain a healthy relation with their (l)----- (honour)----- teachers. Teachers also maintained an ever bond of (m)---- (friend)---- with their (n)----- (affection)----- students.