A. 1. are selling
2. is speaking
3. are ... designed
4. is eating
5. is teaching
6. are wearing
7. are influenced
8. are watched
B. 1. Linda is taking to school every day by him.
2. The shops aren't closed on Saturdays by them
3. When was the dog fed by Mike?
4. Every competition is won by Michael
5. New things are invented by people all the time
6.