From each number, put out the word whose underlined part is pronounced differently from the others

From each number , put out the word whose underlined part is pronounced differently from the others:
1.A.continent B.depend C.send D.pretend
2.A.says B.prays C.plays D.days
3.A.climate B.pride C.quit D.primary
4.A.invite B.pick C.ticket D.kitchen
5.A.lock B.shock C.block D.program
6.A.bad B.sad C.day D.catch
7.A.greet B.teeth C.deer D.knee
8.A.sign B.high C.sit D.mind
9.A.enough B.laugh C.cough D.plough
10.A.champagne B.check C.cheese D.choose