Unit 1一. 单项填空1 - Marys 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. shouldnt have toldC. must have told D. neednt have told2 There was _ time _ Chinese used foreign oil.A. a; whenB. a; whileC. /; whenD. /; while3It was because of bad weather _ the football match had to be put off.A. so B. so that C. why D. that4. - Look! The
