4. Read the text and fill in the gaps with the correct form of verbs as per subject and context: \\ Dhaka, the world's densest and fastest growing city, (a) - (face) unbearable traffic jams. There (b) - (be) many reasons for this. The ever increasing number of vehicles and population (c) - (be) the main reason. During a traffic jam, people (d) - (has) to suffer much. They have to (e) - (move) inch by inch. They have to wait on roads hours after hours (f) - (face) unbearable sufferings. Again, the roads of Dhaka city (g) - (be not) spacious. Only seven percent of Dhaka city is (h) - (cover) by roads, compared with around 25 percent of Paris and Vienna. If anybody falls in a traffic jam, he (i) - (not know) when he will reach home. Sometimes, a distance of Ikm (j) - (take) an hour to cross. Office and school goers find it very difficult (k) - (reach) their destination in time. Our government (1) - (try) heart and soul to solve this problem. Flyovers (m) - (build) in different places in order to control traffic jam. Besides, traffic police and sergeants (n) - (see) filing cases against vehicles breaking road transport rules. But still it is becoming impossible to control traffic jam.