Module 6. Technology and media » Стр.66 (B)

B. Complete the sentences with the correct form of the words in capitals. 1. I’m always losing my headphones. I need to stop being so careless with them. 2. The book was very useful. I learnt a lot about the environment. 3. Tony felt helpless when he deleted the important file. 4. My mobile phone was useless on the trip because I couldn't get a signal.