Listen to the dialogue and choose the correct options to complete the sentences

Brian's presentation was

• fairly good.
• very good.
• rather poor.

The blue whale

• can disappear as an animal species.
• has died out.
• is a common animal.

Brian is interested in the ecology of the ocean because

• the blue whale is an endangered species.
• he likes blue whales.
• there are too many things people don't know about the oceans.

Blue whales

• have been living on our planet for 110 years.
• belong to those animal species that have very long lives.
• have lived on the earth longer than other animals.

Blue whale has

• blue colour under the water and grey on the surface.
• grey colour under the water and blue on the surface.
• brown colour on the surface and blue under the water.