2 Complete the sentences.
2 We should p_____ plants and animals so that they won't become extinct. forests, we'll have
3 If we s_____ cleaner air. we will continue
4 Unless we s______to pollute the environment. the homes of
5 We mustn't d______ animals
6 If we use public transport, we won't p_____ our cities.
yapanı takip ettim En iyisi içeceğim ​