When a human being walks, he or she exerts a certain number of force on the ground

Small pox and diphtheria disappeared in Britain many years ago, ________ cancer, AIDS and heart disease are now predominant.

A. because            B. in the event that                  C. in case                    D. whereas

Many news story which deal with TV and film personalities are often exaggerated.

                    A                                    B                                                  C                                               D

Almost all the students were confusing because Ms. Kelly’s explanation was unclear.

     A                                               B                               C                                            D

Jim didn't break the vase on                                 , but he was still punished for his carelessness.

All the judges paid the dancer compliments on their excellent performance in the

A                      B                                                 C                                        D

competition.