A fire ____ is a practice drill to prepare people for evacuating a building during a fire emergency. If you smell smoke in your home, it's important to evacuate immediately and call emergency services. A ____ is a special boat designed to rescue people in danger at sea. During a ____, it's important to stay low to avoid inhaling ____. An ____ is a loud device that warns people of danger or the need to evacuate.

AS5 U1

印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?