61. _____ for you help, we'd never have been able to get over the difficulties.

　　A) Had it not been

　　B) If it were not

　　C) Had it not

　　D) if we had not been

　　62. _____ neglecting our education, my father sent my brother and me to a summer school.

　　A) Accused of

　　B) Accusing of

　　C) That he was accused of

　　D) To be accused of

　　63. The prisoner stood there _____.

　　A) with his hands cuffed

　　B) with his hands cuffing

　　C) with his cuffed hands

　　D) with his cuffing hands

　　64. The leaders insisted on their _____ as ordinary people.

　　A) treating

　　B) be treated

　　C) being treated

　　D) having treated

　　65. _____, I must do another experiment.

　　A) Be it ever so late

　　B) It is ever so late

　　C) It be ever so late

　　D) So late it be ever