Zakreśl i popraw błędy w zdaniach. Nie wszystkie zdania są błędne.

1. I have heard that tortoises live to be very old.
2. It gets hotter and hotter every day.
3. First you are heating the oven to the temperature of 180° C.
4. Have you heard the news? They have just elected a new chairman. 
5. I haven’t just written the essay.
6. Peter has known Jane for 7 minutes.
7. The train is leaving the platform 6 at 7.30. 
8. The teacher has corrected the essays for three hours.
9. I must lose weight. I’m weighing over 80 kilos.
10. That’s so typical of him. He is constantly late.