-,1-4ABAC 5-9 BABCB10-12cda13-15A二、16-20 CACDB21-25 DBBCA,26-30 CBCDA 31-35 BDCBD四、36-40 CCBDB41-45 BBDCD五46-50 CFDGA六、51. sharc;with52. train tickets53. turns on 54. connect; to 55. search for七、56 6.. sister7. her job58 8. volleyball 59. in the evening 60.chicken八、61. keyboard62.open63. document 64. click 65. Finally 66. listen 67. movies 68. holiday 69. information 70.them