the end of last term, we had learned 3,000 English words.A. AtB. ByC. ToD. On

发布时间：2020-08-16 16:19:40

     the end of last term, we had learned 3,000 English words.
A. At
B. By
C. To
D. On

网友回答

A. At
(答案→)B. By
C. To
D. On
解析：考查介词。by the end of到……时为止，固定搭配，句意：到上学期结束为止，我们已学3000个英语单词。
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