Употребите пассивный залог
1. You can hear this hit everywhere. 2. One can't learn a foreign language in a few weeks. 3. You shouldn't put fruit into the fridge. 4. She is a rude child. Her mother must teach her good manners. 5.1 have to complete the letter today. 6. Clara is going to mail these letters tomorrow. 7. Someone must call the police. 8. We ought to invite them, too. 9. They may raise the price of gas. 10.1 am going to paint the walls white. 11. The customer has to pay this bill. 12. You shouldn't carry large sums of money with you. 13. Aluminum is a valuable metal. You can use it again and again. Because you can recycle this metal, nobody should throw away aluminum cans. 14. People must protect endangered wildlife from extinction. 15. They may easily fool you.