помогите прошу заранее спасибо​

4 Dolphins are the most intelligent animals in the sea.

5 My grandfather is the oldest person in my family.

6 Sharks are the most dangerous animals in the sea

Ответ:

4 Dolphins are the most intelligent animals in the sea.

5 My grandfather is the eldest person in my family.

6 Sharks are the most dangerous animals in the sea.

Объяснение: