____ means use a material again in a different form. Pandas are ____ animals so we should protect them. There is a lot of air ____ in big cities. Unfortunately there is a lot of ____ in the oceans. The energy from the sun is called ____ power'.

environment

만든이
인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?