Here are the answers to the pronunciation exercise based on the underlined parts:

1. **C. air** (pronounced differently from "neighbor," "cough," and "although")
2. **C. typhoon** (the "ty" pronounced differently from "facility," "rain," and "ruler")
3. **B. migrant** (the "mi" pronounced differently from "pollution," "facility," and "tragedy")
4. **B. relative** (the "e" pronounced differently from "offer," "pressure," and "urban")
5. **A. create** (the "ea" pronounced differently from "peaceful," "pressure," and "increase")
6. **C. easily** (the "ea" pronounced differently from "illness," "supply," and "success")

Feel free to ask if you need more assistance!