21. --- Will you go to the new movie, Lord of the Rings?
--- ______. It is believed that it is well worth seeing.
A. I don’t agree B. I’m afraid so C. I guess so D. I will
22.--- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?
--- Yes, but I _____ her husband first.
A. should have told B. shouldn’t have told
C. must have told D. needn’t have told
