2.19 Choose the correct words. Then listen again and check your answers.
1 Octopuses can remember people's names /
faces
2 Octopuses can/can't change colour.
3 Elephants can / can't understand human
language
Dogs can understand a lot of vocabulary /

1. Octopuses can remember faces. This means that octopuses have the ability to recognize and remember the appearance of different individuals.

2. Octopuses can change color. Octopuses have specialized cells called chromatophores that allow them to change the color and pattern of their skin. They can use this ability to camouflage themselves or communicate with other octopuses.

3. Elephants can understand human language. Elephants are highly intelligent animals with complex social structures. They have been known to understand and respond to human commands and cues, indicating some level of comprehension of human language.

4. Dogs can understand a lot of vocabulary. Dogs have the ability to understand and respond to a variety of words and commands. Through training and socialization, dogs can learn to associate specific words with corresponding actions or behaviors.

To check your answers, you can listen to the audio again and compare it to your chosen words. Make sure to listen carefully and pay attention to the context of the sentences to determine the correct choices.