1. We should suggest some ____ to protect the environment. 2. ____ is mainly caused by pollution and clearing of forests. 3. The number of trees is cut down by humans leading to ____. 4. We have to ____ some solutions to solve the environmental issues. 5. It's important for people to ____ local environmental issues and take action.

UNIT 9

印刷
埋め込み

リーダーボード

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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?