28. A. stay             B. staying                      C. to stay                           D. to staying

29. A. it                 B. them                         C. some                              D. many

30. A. bag           B. can                            C. jar                                  D. carton

31. A. little                B. a lot                          C. much                             D. some

32. A. some              B. much                        C. not                                 D. no