퀴즈 problem-solving 9
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이 연습에서는 주어진 긍정문을 읽고, 원문의 부정을 올바르게 표현한 문장을 선택합니다.
⭐B2 - level.upperIntermediate
1. He has figured out the best way to solve the problem.
⭐B2 - level.upperIntermediate
2. I believe he can solve the problem.
⭐B2 - level.upperIntermediate
3. She quickly solved the difficult puzzle.