I. Find the word which has a different sound in the part underlined.
1. A. car B. date C. lazy D. hate
2. A. train B. wait C. said D. paid
3. A. sailing B. railway C. brainstorm D. captain
4. A. safety B. chat C. taste D. waste
5. A. centre B. let C. belt D. security
6. A. safety B. traffic C. station D. plane
7. A. seat B. head C. heavy D. weather
8. A. head B. break C. bread D. heavy
9. A. maid B. wait C. said D. sail
10. A. hey B. grey C. honey D. obey
11. A. lake B. came C. station D. start
12. A. seatbelt B. bread C. ahead D. healthy
13. A. nature B. ancient C. radio D. village
14. A. enter B. mention C. vehicle D. helicopter
15. A. take B. mistake C. indicate D. says
16 A. traffic B. pavement C. plane D. station
17. A. recycle B. vehicle C. helicopter D. reverse
18. A. sign B. mistake C. triangle D. drive
19. A. nearest B. head C. bread D. health
20. A. railway B. mail C. sail D. captain