问题
选择题
By the end of last term, we _____ more than a thousand new words.[ ]
A. learned
B. have learned
C. had learned
D. will learn
答案
答案：C
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By the end of last term, we _____ more than a thousand new words.[ ]
A. learned
B. have learned
C. had learned
D. will learn
答案：C