Choose the word whose underlined part pronounced differently from that of the others

II. Choose the word whose underlined part pronounced differently from that of the others.

6. A. loads            B. checks              C. laughs              D. connects

7.A. food               B. improve           C. blood                       D. group

8. A. relax                        B. cattle                       C. paddy                     D. vast
9. A. worked                     B. watched             C. needed              D. walked

10. A. knife                  B. kill                          C. know                       D. knives