1. Fill in the blanks with suitable prepositions:

Drug addiction has become a serious problem (a) - modern society. Many young men and women are falling victims (b) - this. There are many reasons (c) - drug addiction. Drugs are expensive. So, to manage money, the addicts often go (d) - stealing, killing or all sorts of misdeeds. Drugs are smuggled (e) - a country and the smugglers carry (f) - drug business freely. Bangladesh is not free (g) - the curse of drugs. But we cannot allow this (h) - our country. The first thing to do is to highlight its dangerous effects (i) - people. The government and mass media can play an effective role (j) - this respect.