Unit 5. Inventions

1. Choose the correct letter (A, B, C or D) to indicate the word that differs from the other three in the position of primary stress.

1. Complete the sentences using the words in the box. 2. Choose the correct word to complete each sentence.3. Choose the best answers to complete the sentences below.

1. Choose the best answers to complete the sentences. 2. Complete the sentences using the correct forms of the verbs in brackets.3. There is a mistake in each sentence. Find and correct it.

1. Read the text and choose the best answers. 2. Read the text and complete each sentence below with ONE word from the text.

1. Complete the conversations by circling the best answers. Then practise reading them.2. Talk about touchscreens. Use the outline and suggested ideas below.

1. Rewrite the sentences without changing their meanings. 2. Use the words and phrases and add some words where necessary to make meaningful sentences. You may need to change the forms of some verbs.3. Write about this topic (120 - 150 words). Use the suggested questions below to help you.