III. Change the following sentences into the active voice.
1. Why don’t you have your eyes tested?
2. This speed limit is to be introduced gradually.
3. The runways are being lengthened at all the main airports.
4. Byron is said to have lived on Vinegar and potatoes.
5. By tradition, any sturgeon that are caught by British ships must be offered to the Queen.
6. It is now 6 a.m. and at most of the hospitals, in the country patients are being wakened with cups of tea.
7. The damaged ship was being towed into harbour when the towline broke.
8. Someone will have to be found to take her place.
9. This scientific theory has now been proved to be false.
10. He was made to surrender his passport.
