We would like to finish this stage before the end of the month.

We would like to finish this stage before the end of the month.

• A. By
• B. Until
• C. Soon
• D. Before

Answer: (D)

This question tests choosing the right time boundary to express when something should be finished. The phrase finish this stage before the end of the month uses the preposition before to set a strict cutoff point: the completion should happen earlier than that boundary, not on or after it. It communicates a clear deadline grounded just prior to month-end. Using by could also mark a deadline, but by the end of the month typically allows finishing at the boundary itself, whereas before emphasizes finishing earlier than that moment. The other options don’t fit: until describes duration up to a point rather than a completion deadline, and soon is an adverb indicating immediacy without a specific deadline.

This question tests choosing the right time boundary to express when something should be finished. The phrase finish this stage before the end of the month uses the preposition before to set a strict cutoff point: the completion should happen earlier than that boundary, not on or after it. It communicates a clear deadline grounded just prior to month-end.

Using by could also mark a deadline, but by the end of the month typically allows finishing at the boundary itself, whereas before emphasizes finishing earlier than that moment. The other options don’t fit: until describes duration up to a point rather than a completion deadline, and soon is an adverb indicating immediacy without a specific deadline.