Exercise 1. Find the word which has a different sound in the part underlined. 1. A. cough B. enough C. although D. laugh 2. A. off B. funny C. of D. fine 3. A. photo B. phonic C. uphold D. phone 4. A. thought B. rough C. high D. light 5. A. sunburn B. suncream C. lunch D. popular 6. A. cycling B. healthy C. energy D. dirty 7. A. active B. acne C. chapped D. affect 8. A. spot B. cold C. often D. soft C. health D. clean 9. A. eat B. sweeten D. serious 10. A. busy B. mask C. sleep