総合問題 総合45
🎯 確認クイズ（2/10問）
正解 +10 XP。単元完了（全問クリア）で +80 XP ボーナス。
Q1 / 2仮定法
Lv.10 XP
It is essential that every student ( ) the school rules to maintain a safe environment.
▶ 図解で理解する
Q2 / 2使役動詞
Lv.10 XP
I was so sorry to keep you ( ) for such a long time while I was fixing the computer.