1. what is the time frame on the project you are working on?
2. The plan, bars any sudden changes, is to have it done by May.
3. If possible, I would like you to complete it sooner.
4. I will let you know if I can once I talk with my supervisor.
틀린문장으로 정답은 2번인데, 4번도 틀린거 아닌가요?
if절 이하 문장 구조가 이해 안되요~~





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