Read the paragraph given below. Fill in the blanks by choosing the most appropriate words/phrases from the given options :
Mass media can play a useful role to bring awareness (a) ............... road safety and traffic rules. Newspapers, hoardings, cinema and television can help to educate the masses. Shots in the cinema or television emphasizing the importance of road safety (b) ................ be highlighted. During peak hours in crowded areas, the traffic police (c) ................ direct the traffic and ensure (d) ................ vehicles keep to their lanes.
