JLPT N1 · Question 266

Correct!

Well done, that is the right answer.

今後は１日たりとも稽古を怠ってはいけませんよ。

Your answer: １日

Vocabulary

• 今後こんご — from now on; going forward
• 稽古けいこ — practice; training
• 怠っておこたって — to neglect; to slack off