Complete the following text with right forms of the verbs given in the box :

Text books are the rich sources of information and knowledge. They (a)_________ a vital role in teaching-learning activities. If a student (b)_________ the text books thoroughly, he/she can get a clear idea about different topics. In the class room, teachers (c)__________on the texts well. Unfortunately, some students (d)__________ the importance of reading text books. Again, in many schools guide books are (e)_________ in the class room. The concerned authority should monitor the class rooms with a view to (f)___________ this unexpected activity. Besides, teachers (g)__________ conscious of their duties and responsibilities. A strong foundation of knowledge is impossible without reading the text books well. These living sources of knowledge (h)____________ by the highly qualified educationists. The gove. nment is working relentlessly to (i)_________ the standard of the text books. The nation (j)_________ eagerly for the days when our students will lead Bangladesh applying their knowledge, skill and wisdom.