描述海洋动物的特点 — 英语词汇题
题目
根据句意和中文提示，写出单词补全句子，每空一词。1. The shark is very d______（危险的）. Don't swim near it! 2. A whale is the b______（大的）animal in the sea. It can sing. 3. The octopus has eight long arms and can c______（改变）its colour. 4. Dolphins are f______（友好的）and clever. They can help people in the sea.