クイズ problem-solving 11
00 : 00
この練習では、肯定文を読み、その否定を正しく表現する文を選びます。
⭐B2 - level.upperIntermediate
1. They managed to solve the problem before the deadline.
🚀C1 - 上級
2. She has finally come up with a brilliant solution to the problem.
👑C2 - level.proficiency
3. An innovative solution was proposed to tackle the ongoing issues.