I. Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. sleeping B. island C. campsite D. staying
2. A. nearby B. battery
4 C. pretty D. thirty
3. A. close
B. canyon
C. climbing
D. cell phone
4. A. tent
B. jacket
C. best
D. get
5. A. rafting
B. camping
C. plane
D. kayaking
6. A. beach
B. seafood
C. beautiful
D. weather
7. A. wonders
B. comic books
C. forests
D. trips
8. A. pillows
B. towels
C. flashlights
D. toys
9. A. sunglasses
B. candies
C. sandcastles
D. caves
10. A. confirmed
B. traveled
C. stayed
D. hiked
11. A. promised
B. walked
C. hoped
D. visited