Fill in each of the blanks in the following sentences with a suitable preposition or adverb. 1. He has used his mobile phone for five years and wanted to replace it _____ a modern one. 2. As people connect _____ each other they are able to share their experience and learn from each other. 3. You can’t plug _____ the memory stick when the light is flashing. Otherwise, the system data may be damaged. 4. He called to say he would be late home—something had come _____ at the office. 5. Time passes quickly when you are absorbed _____ reading a good book. 6. For thousands of young people everywhere, September means taking their first great step _____ adult life: college. 7. When we first hit _____ the idea, everyone told us it would never work. 8. Reflect _____ why those things are beneficial to your life, and how you can show your appreciation.