Quizzes for review
He asked his children to earplug their ears before turning on the noisy machine.
See correct answer
He asked his children to earplug their ears before turning on the noisy machine.
音声機能が動作しない場合はこちらをご確認ください
Related words
earplug
Related Words
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
English - English
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