a/Choose the word whose underlined part is pronouced differently from that of the others in each group.
1.A-match B-chair C-watch D-chemistry
2.A-needed B-worked C-stopped D-booked
3.A-game B-guest C-guess D-gesture
4.A-wool B-wood C-food D-foot
5.A-supply B-simply C-deny D-reply