영어 퀴즈 1917
00 : 00
객관식 문제는 질문 또는 진술과 여러 답변 중에서 정답을 선택하는 형식입니다.
👑C2 - level.proficiency
1. ____ is difficult to ascertain the true implications of the study without further evidence.
👑C2 - level.proficiency
2. All of the guests have donated ____ time generously to the cause.
👑C2 - level.proficiency
3. ____ is essential to simulate real-life situations for effective learning.