Change the following sentences from active into passive. Give two

Change the following sentences from active into passive. Give two variants where possible.
e.g. They oftenshow us foreign lms at the University.We are oftenshown foreign lms at the University. Foreign lmsare oftenshown to us at the University.

1. They grow rice in this area. 2. They import tea from India. 3. They sell shoes in that shop. 4. They speak Italian in Italy. 5. They produce butter on farms. 6. They often send us letters. 7. They dont allow us to smoke here. 8. They teach English, French and German at the University.