Choose the word whose underlined part is pronounced differently from that of the other three

Choose the word whose underlined part is pronounced differently from that of the other three: 
(1 Điểm)
 
A. device
 
B. demonstrate
 
C. experiment
 
D. generousThe show was great, but _______________ we had very bad seats. 
(1 Điểm)
 
A. fortune
 
B. fortunate
 
C. fortunately
 
D. unfortunately
The hospital has now bought a new body scanner, thanks to the ________ of local fund-raisers.
(1 Điểm)
 
A. sense of humor
 
B. generosity
 
C. selfishness
 
D. volunteer
15Choose the word whose underlined part is pronounced differently from that of the other three: 
(1 Điểm)
 
A. seem
 
B. agree
 
C. steamer
 
D. volunteer