Ответьте щас нужно очень : вставте Is it difficult или it is easy? :1)........to talk about things you know. 2)......to

Ответьте щас нужно очень : вставте Is it difficult или it is easy? :1)........to talk about things you know. 2)......totalk about things you don't know. 3)........to teach your pet to understand you. 4)...... To keep your pets place clean