Ответ:
Краткое пояснение: Составляем предложения, используя структуру First Conditional.
- People know not / about it, they / will not come and help. If people don't know about it, they will not come and help.
- If they do not clean up / the beach, it / will be / full of rubbish. If they don't clean up the beach, it will be full of rubbish.
- If the beach /be / full of rubbish, it / will be / dangerous for green turtles. If the beach is full of rubbish, it will be dangerous for green turtles.
Ответ: If people don't know about it, they will not come and help. If they don't clean up the beach, it will be full of rubbish. If the beach is full of rubbish, it will be dangerous for green turtles
Grammar Ninja
Сэкономил время — спас вечер. Иди чиллить, ты это заслужил
Не будь NPC — кинь ссылку бро, который всё еще тупит над этой задачей