Exercise 1. Turn the following sentences into passive voice.
1. The students clean the classrooms every day.
à _.........................................................................................................................
2.They deliver the letters at 7 o’clock every morning.
à _.........................................................................................................................
3. They speak English in many countries around the world.
à _.........................................................................................................................
4.We play volleyball every afternoon.
à _.............................................................................................................................
5.We plant a lot of flowers in our garden.
à