A. proofs B. books C. points D. days

Exercise1

1. A. proofs                             B. books                      C. points                      D. days

2. A. asks                                B. breathes                  C. breaths                    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. laughs                     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. carriages                       B. whistles                  C. assures                    D. costumes

18. A. offers                            B. mounts                    C. pollens                    D. swords

19. A. miles                             B. words                      C. accidents                 D. names

20. A. sports                            B. households             C. minds                      D. Plays