A. Fill in the blanks using the correct preposition(s) 1. There was an increase _____ just over 50 thousand people. 2. In the first decade the population remained steady______ approximately 5 million. 3. Unemployment fell _______ just over 500 000 people. 4. Violence in the city peaked ______about 1500 deaths per 10, 000 people. 5. After an initial increase, the city’s pollution levels remained constant______ 5 p.m. 6. The crime rate increased rapidly _____ well over 500 incidents per night. 7. The population is expected to grow exponentially over the next few years and then peak _____ 20 billion people. 8. For the next few months computer prices are expected to drop _____ 50% in spite of a predicted price increase in basic electrical goods____25%. 9. The production of goods is predicted to finish the year____500 units per day. 10. Production began____ 50 units per day and rose____ about 20 units per day to end the month____well over 600 units