2. 职称英语
  3. I ______ English for six years before I came to Beijing University.A、learnedB、h

I ______ English for six years before I came to Beijing University.A、learnedB、h

游客2023-10-06  58
问题 I ______ English for six years before I came to Beijing University.
选项 A、learned
B、have learned
C、have been learning
D、had learned
答案 D
解析
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