과천외고 영어 오답 점검: by·until·before가 가리키는 시간의 경계 실전문제

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난이도 하 15점1. 택배 기사의 도착과 배송 완료 시각에 대한 설명으로 적절한 것은?

The courier was required to deliver the parcel by noon. He reached the office at 11:40, waited until the clerk opened the door at 12:10, and handed over the parcel for a signature at 12:12.

① The courier reached the office before noon but completed delivery after the deadline.② The courier delivered the parcel at 11:40.③ The clerk opened the door before the courier arrived.④ The courier waited at the office only until 11:40.⑤ The noon deadline concerned arrival at the building, not delivery.

난이도 중 20점2. 정원 지문의 시간 관계를 정확히 보존한 것은?

The gardener had to cover the seedlings by dusk. She watered them until rain began at 5:30, covered the beds at 5:45, and watched the sunset at 6:00. The report did not record whether the seedlings were damaged.

① She covered the beds before the rain began.② She finished covering the beds before the dusk deadline, but the plants' final condition is not reported.③ She watered the seedlings after the sunset.④ The sunset occurred at 5:30.⑤ The cover was proved to prevent every possible kind of damage.

난이도 상 25점3. 제빵 기록에서 완료된 일과 시작된 일을 구분한 설명은?

Before the timer rang at three, the baker had started the dough but had not finished it. She continued mixing until her assistant arrived at 3:20. The finished dough was placed in the oven at 3:35, after the assistant had checked its texture.

① The baker completed the dough before three.② The assistant arrived before the timer rang.③ Mixing continued until 3:20, while oven placement occurred later at 3:35.④ The assistant placed the dough in the oven before checking its texture.⑤ The timer rang only after the dough had entered the oven.

난이도 수능 이상 40점4. 서로 다른 기한과 지속 경계를 모두 지킨 설명은?

The museum asked its team to finish the light check by 8:00. The guard began checking at 7:30 and stayed in the hall until visitors left at 8:10. A log entry shows the final light was checked at 8:05. The doors did not open to the public until 8:15; no visitor entered before then.

① The guard's presence until 8:10 proves the light check finished by 8:00.② The light check missed its 8:00 deadline, although the guard had started earlier and the public entered only after the doors opened.③ The museum opened to the public when the guard began checking at 7:30.④ Visitors entered at 8:10 as soon as the guard left the hall.⑤ The light check ended before 7:30 because the guard was already present.

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