Choose the word whose underlined part is pronounced differently from others

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Ex 1. Choose the word whose underlined part is pronounced differently from others.
D. annoyed
1. A. homework
B. disappointed
C. surprised
D. university
B. abroad
C. however
D. gallery
B. nervous
C. souvenir
D. pollution
B. energy
C. turbine
D. expert
B. power
C. dangerous
D. decorate
B. solar
C. lantern
D. further
B. father
C. healthy
B. alarm
C. nurse
D. first
B. sightseeing
C. homestay
D. microwave
D. recycle
B. clean
C. cheap
2. A. positive
3. A. imperial
4. A. aquarium
5. A. affect
6. A. current
7. A. mother
8. A. dirty
9. A. flight
10. A. expensive
Ex 2. Choose the word which has a different stress pattern from the others.
1. A. stadium
B. historic
2. A. sightseeing
3. A. informal
B. swimsuit
B. wallet
B. hockey
B. solar
B. turbine
B. dangerous
B. however
B. abroad
B. center
C. boarding
Ex 3. Put the verbs in brackets in the correct tense form using Si
ORRO FO
4. A. nervous
5. A. pollution
6. A. hydropower
7. A. nuclear
8. A. expert
C. ferry
C. postcard
C. photo
C. renewable
9. A. backpack
10. A. volunteer
C. power
C. panel
C. perform
C. mayor
C. sticker
D. souvenir
D. aquarium
D. homestay
D. energy
D. natural
D. expensive
D. noisy
C. current
D. talent
D. comfortable