Choose the word whose underlined part is pronounced differently from the others

I/choose the word whose underlined part is pronounced differently from the others.
1.A:needed  B:visited  C:called   D:wanted
2.A:worked  B:decided C:stopped D:watched
3  A:thermal  B:thankful  C:there  D;thorough
4. A:where B:when C:which  D:who
5. A:dry  B:thirsty  C:beautifully  D:quickly 
Giúp tớ với ạ!!!