пожалуйста приведите примеры организмов в биоценозе​

 помогите пожалуйста разделительные вопросы срочнооооооо!!!!!!!!

1) In Britain people don’t congratulate each other on national holidays, ____________?
2) Foreign visitors should note how loudly people around them are talking, ____________?
3) In Britain it isn’t considered bad manners to eat in the street, ____________?
4) A small Russian souvenir will be fine if you are a guest at a British home, ____________?
5) Religious holidays can become national ones in some countries, ____________?
6) It is not polite to stare at another person, ____________?
7) Different peoples have different greeting habits, ____________?
8) Foreigners make friends slowly, ____________?
9) National holidays and celebrations must unite people, ____________?
10) It is a bad idea not to queue in line, ____________?

Заполните пропуски соответствующей формой глагола to be, to have.

     1. Those doors … black. 2. … these their children? 3. There … a mistake in my test. 4. There … three pens, two pencils and a book on her desk. 5. I … free time today. Let’s go to the park. 6. They … a dictation yesterday.