idiom
語彙総合 熟語6
単語の使い分けと語法
🎯 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 / 2idiom
Lv.10 XP
The manager is busy right now because she has to ( ) a serious complaint from a customer about the new product.
Q2 / 2idiom
Lv.10 XP
Many scientists are worried that if the climate continues to change this rapidly, many rare species of animals will eventually ( ).