-,1-4ACCB 5-9 CBCBA 10-14 BCAAA15-17bac18-20a =,21-25 BCABD 26-30 BDCAC 31-35 CBDAC三、36-40 DBCCA41-45 DCACB四、46-50 DCBAD 51-55- CBCCB五、56-60 FAEBD六、61.alot62. The more; the heavier 63. stay outside 64. because of 65. the same as me七、66 .. took lots of things67. in tree 68. went down the mountain 69. four 70. laugh八、71. classmates72.used7. usual74: However 75. think 76. so 77. than 78. careful 79. for 80. difficult