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

Find the word which has a different sound in the underlined part
1A request 
B project 
C neck
D exciting
2A thursday
B thank 
C these 
D birthday 
3A love 
B hotel
C mother
D brother
4A lake 
B place 
C paddy 
D stdium 
5A store 
B sister
C factory
D picture
6A rice 
B river 
C city 
D village 
7 A sing 
B mine 
C hit 
D sit 
​