I. Pronunciation:
1. A. proofs B. books C. points D. days
2. A. asks B. laughs C. lives D. hopes
3. A. sees B. sports C. pools D. trains
4. A. tombs B. lamps C. brakes D. invites
5. A. books B. floors C. combs D. drums
6. A. cats B. tapes C. rides D. cooks
7. A. walks B. begins C. helps D. cuts
8. A. shoots B. grounds C. concentrates D. forests
9. A. helps B. coughs C. cooks D. finds
10. A. hours B. fathers C. dreams D. thinks
11. A. beds B. doors C. plays D. students
12. A. arms B. suits C. chairs D. boards
13. A. boxes B. classes C. potatoes D. finishes
14. A. relieves B. invents C. buys D. deals
15. A. dreams B. heals C. kills D. tasks
16. A. resources B. stages C. preserves D. focuses
17. A. villages B. whistles C. assures D. costumes
18. A. offers B. mounts C. kitchens D. words
19. A. likes B. works C. accidents D. names
20. A. sports B. households C. minds D. plays