I.
1. A. /s/ B. /s/ C. /z/ D. /s/
2. A. /d/ B. /d/ C. /t/ D./d/
3. A. /tʃ/ B. /tʃ/ C. /'k/ D. /tʃ/
4. A. /u:/ B. /u:/ C. /u:/ D. /ʊ/
5. A. /ð/ B. /θ/ C. /θ/ D. /θ/
II.
6. had slept
7. goes
8. has taught
9. built
10. was cooking
III.
11. A
12. D
13. A
14. C
15. A
16. B
17. C
18. A
19. B
20. C
IV.
21. D
22. C
23. C
24. B
25. C.
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