问题
选择题
— How many English words had you learned _____ the end of last term?
— Around 2000, but I've forgotten most of them. [ ]
A. by
B. at
C. to
D. on
答案
答案：A
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— How many English words had you learned _____ the end of last term?
— Around 2000, but I've forgotten most of them. [ ]
A. by
B. at
C. to
D. on
答案：A