We’ll finish the book -----next month .

题目

We’ll finish the book -----next month .
-----next month we‘ll learn about 2000 English words.
A.at the end of,by the end of
B.in the end ,by the end of
c.by the end of,at the end of 为什么?给答案的朋友请说明一下理由,我有点混淆

答案

Aby the end of到...时为止,时态应该是完成时才对,你给的句子本身就有语病,应该是By the end of next month we'll have learned about 2000 English words.at the end of 在…的最后时刻（物体的最后部分）in the en...