Fill in each blank of the following sentences with one of the words or phrases given below. Make changes when necessary. observe fade formidable experiment obsession capitalize on approach rake up apply aggressive 1. Today’ executives are hungry, competitive and . 2. Jack’s with personal cleanliness annoys everyone. 3. He is trying to people’s discontent with the government to carry out reforms. 4. In his book, he that the president was an able statesman. 5. Meeting the energy demands of a big city is a task. 6. As a writer, she takes a completely new to the classic horror story. 7. In some special situations, this rule does not . 8. Scientists are with the new drug in order to fight this disease. 9. The sound of the motorbike in the distance. 10. Street cleaners the fallen leaves and burn them.