参考答案(部分仅供参考)15.CBABC 610.BACBC 1115.ABACC 1620.ACABA2123.DCA 2427.ADCB 2831.CCBA 3235.CBAC36-40.FCADG 4145.BADCA 4650.DACDB 5155.ADBAC5660.DBADC61. was raised 62. assistant 63. produced 64. for 65. Supporting66. to receive 67. had come 68. Lately 69. which /that 70. either