I. Find the word which has a different sound in underlined part.
1. A. came B. lake C. station D. start
2. A. ancient B. radio C. village D. nature
3. A. break B. head C. bread D. heavy
4. A. wait B. said C. maid D. sail
5. A. train B. wait C. said D. paid
6. A. sailing B. railway C. brainstorm D. captain
7. A. safety B. chat C. taste D. waste
8. A. centre B. let C. belt D. security
9. A. safety B. traffic C. station D. plane