参考答案 -1-4 CACB 5-9 ABACA 10-14 CABBG15-17bca18-20cab .,21-25 CDABC 26-30 ADDBA 31-35 BCADB三、36-40 BCDAC41-45 DBCAD四、46-50 CDCCD51-55 DDCAA、、五、56-60 BGFDC六、61. wrote/put down62. agree with 63. key words 64. as much as possible 65. in pairs七、66. learning languages67. numbers 68. five years 69. Chinese 70. friends八、71. understand72. differently73. country 74. ways 75. able 76. their 77. good 78. real 79. learn 80. try/takc