クイズ problem-solving 5
00 : 00
選択式問題は、質問や文の後に複数の選択肢が表示されます。学習者は正しい答えを選びます。
👑C2 - level.proficiency
1. He was the first to propose ____ radical solution to the longstanding problem.
⭐B2 - level.upperIntermediate
2. This problem is more ____ than I expected.
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。
🚀C1 - 上級
3. Neither of the solutions seems particularly effective.
👑C2 - level.proficiency
4. Neither of the solutions solves the problem satisfactorily.
👑C2 - level.proficiency
5. They will definitely be able to solve the complex problem quickly.