クイズ problem-solving 2
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。
🚀C1 - 上級
1. Both of the solutions ____ acceptable for our needs.
👑C2 - level.proficiency
2. Neither of the solutions ____ effective in addressing the problem at hand.
⭐B2 - level.upperIntermediate
3. We need to find ____ solution to this problem quickly.
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
4. They discovered an unexpected solution to the problem.
👑C2 - level.proficiency
5. An engineer must solve complex problems every day.
⭐B2 - level.upperIntermediate
6. She can easily solve complex problems.