Fill in the blanks with prepositions and articles (a, an, the & zero article):
Bangladesh is a free land but she is beset (a) ______ many problems. The use of poly bags is very dreadful. Recently it has become (b) ______ great threat (c) ______ our environment. (d) ______ used poly bags block the drainage system. As a result, the low-lying areas (e) ______ the towns and the cities go under (f) ______ dirty water when it rains heavily. The used poly bags also destroy (g) ______ fertility of our soil. Our government has already banned the production (h) ______ poly bags. Yet some greedy and (i) ______ dishonest businessmen are producing the bags (j) ______ their own interest.