영문법 집중 훈련 문제 4회차

문제 1. Only after the research team had verified the laboratory results multiple times and consulted with external experts ( ) to release the findings to the public.

• ① did they begin
• ② they began
• ③ have they begun
• ④ they had begun

문제 2. Not until the new environmental regulations, which were designed to curb industrial waste, were fully implemented ( ) a significant improvement in the city's air quality.

• ① did residents notice
• ② residents noticed
• ③ have residents noticed
• ④ residents have noticed

문제 3. Rarely ( ) the CEO, along with the senior management team, expressed such strong confidence in the company's ability to navigate the upcoming financial crisis.

• ① has
• ② have
• ③ did
• ④ is

문제 4. It is not the quantity of information available online but the ability to critically analyze it ( ) determines the true value of modern education.

• ① that
• ② which
• ③ what
• ④ who

문제 5. The Carbon emissions of the developing nations are projected to increase much more rapidly than ( ) of the industrialized countries that have already reached their peak.

• ① those
• ② that
• ③ them
• ④ it