1.  A. beds                                B. doors                         C. plays                            D. students

2.  A. arms                                B. suits                           C. chairs                           D. boards

3.  A. boxes                              B. classes/iz/                   C. potatoes                      D. finishes

4.  A. relieves                           B. invents                       C. buys                            D. deals

5.  A. dreams                            B. heals                          C. kills                             D. tasks

6.  A. resources (a)                   B. stages  (a_                  C. preserves (c)                D. focuses (a)

7.  A. carriages                         B. whistles                     C. assures                         D. costumes

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

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

10.  A. sports                            B. households                C. minds                          D. plays

11.  A. pools                             B. trucks                         C. umbrellas                     D. workers

12.  A. programs                       B. individuals                 C. subjects                       D. celebrations

13.  A. houses                           B. horses                        C. matches                       D. wives

14.  A. barracks                        B. series                          C. means                          D. headquarters

15.  A. crossroads                     B. species                       C. works                          D. mosquitoes