Question

【题目】They will finish their work of this month.

A. in the end B. at the end

C. by the end D. to the end

Answer 1

【答案】C

【解析】

试题分析：句意：他们将在本月底前完成他们的工作。in the end最后；at the end在……的末尾；by the end到……底为止； to the end到最后。所以选C。