1. Vocabulary: Odd one out.

A photo of seaweed, sponges and shells on the white sand of a beach.

In this unit you will read about plastic marine debris. Before you do that, revise your vocabulary. In each group, three of the four words have something in common. Which is the odd one out? Think of possible explanations for your answers.

Now listen to check your answers.

Now listen and read the transcript.

2. Vocabulary: Practice.

Can you remember? Complete the crossword with words from the previous exercise.

3. Review: Animals.

Choose the correct option.

4. Review: Animals.

Choose the correct option and record the complete sentence.

Can you remember? Type the correct word.

5. Marine debris.

A photo of plastic bottles and other debris floating on the sea.

Read part of an article on marine debris and choose the options that best fit.