第12期答案
1-10 CACBBABCCC 11-20 ABCACBABAC 21-30 BCBADDBCBA
31-40 CCCCAGDFAB 41-50 DBCBACDBCA 51-60 DBADBCACBD
61. methods 62. what 63. but 64. positively
65. to name 66. were 67. deeper 68. urgency
69. is used 70. in
短文改错
organizes - organized
I - I was
terrible - terribly
classmate - classmates
choose the - choose a
practice - practicing
bit of - bit
before - after
him - me
actively - active
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