A. PRONUNCIATION I. Choose the word whose underlined part is pronounced differently.
1.A.bird B.girl C.first D.sister
2. A.burn B.sun C.hurt D.turn
3. A.nurse B.picture C.surf D.return
II. Choose the word that has a different stressed syllable from the rest.
4.A.teacher B.garden C.relax D.river
5.A.skating B.climbin C.connect D.horse-riding