Giúp mình với:
I. Choose the words whose underlined part is pronounced differently from that of the others in each group.
1.A. ideal B. item C. idiom D. identical
2.A. valentine B. imagine C. magazine D. discipline
3.A. knowledge B. flower C. coward D. shower
4.A. community B. common C. command D. complete
5.A. famine B. determine C. miner D. examine
6. A. played B. washed C. passed D. watched
7. A. market B. depart C. card D. scare
8. A. towel B. down C. window D. flower
9. A. food B. cook C. too D. pool
10.A. character B. Christmas C. church D. chemistry
11. A. object B. robot C. photo D. postcard
12. A. dead B. ahead C. ready D. break
13. A. loved B. missed C. watched D. washed
14. A. tasty B. small C. stadium D. change
15. A. much B. summer C. ruler D. just
16. A. high B. site C. this D. high
17. A. agreed B. helped C. listened D. cleaned
18. A. heat B. meat C. great D. seat
19. A. hall B. all C. ball D. land
20. A. thank B. the C. there D. this