영어 퀴즈 1879
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객관식 문제는 질문 또는 진술과 여러 답변 중에서 정답을 선택하는 형식입니다.
⭐B2 - level.upperIntermediate
1. The Amazon rainforest is one of the most ____ ecosystems in the world, known for its biodiversity.
⭐B2 - level.upperIntermediate
2. Many species are at risk of extinction due to ____ changes caused by human activity.
⭐B2 - level.upperIntermediate
3. To protect the environment, we must all take ____ to reduce our carbon footprint.