Краткое пояснение: Вставим подходящие по смыслу словосочетания в предложения.
Решение:
- 1. There were a great number of people in the square.
- 2. The lake became the habitat of water birds and animals.
- 3. Are there many unpolluted places in Europe?
- 4. We should all feel responsible for what is happening here.
- 5. Please be careful not to miss the next bus or you'll be late.
- 6. Every member of the club does their best to protect nature.
Ответ: смотри решение выше