One of the greatest       of unhappiness，in my experience，is the difficulty we have in

  accepting things as they are．

      A．reasons                B．styles                   C．supplies                 D．sources

He hesitated for a moment before kicking the ball，otherwise he        a goal．

      A．had scored                                B．would score

      C．would have scored                       D．would be scoring

Tom, look! It’s 12 o’clock at night. _____ you shout so loudly?

A. Can                         B. Shall                        C. Will                         D. Must

       If it were not for the fact that she _____ sing, I would invite her to the party.

A. couldn’t                   B. shouldn’t                  C. can’t                        D. might not

—I expected him to be nervous before his speech, but he was as cool as a cucumber.

    —He _______ it carefully.

A. could have prepared      B. shouldn’t have prepared

   C. must have prepared           D. can’t have prepared

---John, how did your English exam go?

---I thought I ____, but in fact I came in the top 10% in the class.

A. should have failed                    B. couldn’ t have failed

C. might have failed                     D. mustn’ t have failed

You        very fast if you went from New York to Boston in six hours.

A.should drive     B.would have driven     C.may drive       D.must have driven

After a thorough investigation, the policeman declared that the blow on the victim’s head _____ from behind.

– What sort of house do you want to have? Something big?

       – Well, it _____ be really huge ----- size isn't so important.

       A. mustn’t                    B. needn’t             C. can’t                        D. won’t