首字母填空：Many people think that dinosaur is the b____ animal th

首字母填空：
Many people think that dinosaur is the b____ animal that ever lived.They are wrong.The world's biggest animal is still living,and it lives in the sea.It is called the Blue Whale.Blue Whale can be as l____ as 30 meters and w____ as much as 1,000 kilos.The largest dinosaurs weighed only 500 kilos.
The whale is not only the world's biggest animal,it is also one of the c_____.We know that whales can talk to each other though we do not know what they are s_____.We do not know how to s_____ to whale!One day p___ we shall learn to speak to whales,and then they will be able to tell us a____ themselves.