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

Ex1:Find the word which has a different sound in the part underlined 
1.game      B. arrange  C.skate     D.cake
2.A.hobby  B.doll          C.collect   D.sorry
3.difficult    B.unusual   C.uncle     D.result
4.A.piano   B.fish         C.like         D.badminton
5.A.rest      B.help        C.garden   D.identify
6.A.allergy  B.calorie  C.coordinate D.triathlon
7.A.compound    B.concentrate C.monopoly  D.melody
8.A.essential   B.attention  C.vegetarian   D.depression
9.A.sick     B.swimming     C.itchy   D.riding
10.A.really   B.healthy    C.regularly    D.identify