Unit 2. Science and invetions

1. Complete the sentences with the correct form of the verbs from the box.2. Complete the texts with suitable compound nouns. The first and last letters are given.3. Complete the sentences with the correct form of the words in capitals. 4. Choose the correct answer.

1. Complete the sentences with the Past Simple form of the verbs in brackets. 2. Complete the sentences with the Past Continuous form of the verbs in brackets.3. Choose the correct form. 4. Complete the story with the Past Simple or Past Continuous form of the verbs in brackets. 5. Find one mistake in each sentence and correct it.

1. Read the extracts of interviews with two people and choose the correct answer. 2. Complete the text with the correct verbs from the box. Change the form of the verbs if necessary. 3. Choose the word which does not form a collocation. Use a dictionary if necessary. 4. Complete the sentences with the missing verbs in the correct form. The first letters are given. 5. Choose a word or phrase from each pair in the box to complete the sentences.

1. Fill in the blanks with the given words.2. Read the text and choose the best title. 3. Read the text again. Decide if the following statements are true (T), false (F) or not given (NG).4. Choose the correct option.

1. Tick (✔) the sentences that describe routines. Underline the time expressions that show regularity. 2. Write positive sentences (+), negative sentences (-) and questions (?) about mobile phones in 1983. Use the correct form of used to from the box and the words above each line.3. Tick (✔) the correct sentences. Sometimes both sentences are correct. 4. Complete the dialogue between Jodie and her dad using the correct form of used to and the verbs in brackets.

1. Choose the correct word.2. Complete the second sentence so it has a similar meaning to the first. Use between two and five words, including the word in capitals.3. Choose the correct answer.4. Complete the sentences with one word in each gap. Use each word only once.5. Use the correct form of the words in brackets to complete the sentences. Write no more than six words in each gap.

1. Read the passage about the advantages of air fryers. Match the sentence numbers (1-11) with the correct parts. 2. Is it necessary to include the conclusion?3. Give meaningful sentences from the given words. 4. Match the linkers with the correct functions. 5. Write a paragraph to describe the advantages of a technological device. You can fill in the note below before you write your paragraph.

1. Decide if the following ideas are the advantages or disadvantages of an e-reader. 2. Make meaning sentences from the given words. 3. Fill in the blanks with the given words.4. Reorder the sentences to make a meaning talk about e-readers.5. Now, think of a recent invention that you know, then prepare a talk about it.

1. Complete the sentences with the correct words. The first letters are given. 2. Use the beginnings from the box to make words and complete the sentences.3. Choose the correct verb form. 4. Find one mistake in each sentence and correct it. 5. Choose the correct answer.6. Choose the correct answer. 7. Use the correct form of the words in brackets to complete the sentences. Use no more than six words in each gap. 8. Complete the text with the correct form of the words from the box. There are thre