Unit 10. The ecosystem

Read the following conversations. Put a tick to indicate the appropriate intonation (rising or falling) on the question tags. Then practise saying them.

1. Put the words in the box into the correct column. 2. Complete the sentences using the correct forms of the words in brackets.3. Complete the sentences using the correct forms of the words and phrase in the box.

1. Use the words in the box to make compound nouns. Then match them to the definitions below. There is an example for you.2. Match a word from A with a word from B to make compound nouns. Then use them to complete the sentences below.

1. Read the text and choose the best answers. 2. Read the text and match the highlighted words with the meanings. 3. Read the text in 2 again and decide whether the following statements are true (T) or false (F).

Complete the conversations by circling the best answers. Then practise reading them. 2. Talk about ways to protect endangered species. Use the suggested ideas in the box to help you. You may add your own ideas. You can start your talk with the sentence below.

1. Use the words and phrases below, and add some words where necessary to make meaningful sentences. Change the verb and noun forms if necessary. 2. Complete the sentences using the words/phrases in brackets. You may change the forms or add any other words where necessary.