Find the word which has a different sound in the part underlined

 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
9. A. eat                               B. sweeten                          C. health                             D. clean
10. A. busy                          B. mask                C. sleep                D. serious